221331456

素因数分解:

$2^{14}\times 3^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:132

約数の個数: 180

約数和(自身を含む): 681553600

約数和(自身を除く): 460222144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 64, 72, 76, 79, 96, 114, 128, 144, 152, 158, 171, 192, 228, 237, 256, 288, 304, 316, 342, 384, 456, 474, 512, 576, 608, 632, 684, 711, 768, 912, 948, 1024, 1152, 1216, 1264, 1368, 1422, 1501, 1536, 1824, 1896, 2048, 2304, 2432, 2528, 2736, 2844, 3002, 3072, 3648, 3792, 4096, 4503, 4608, 4864, 5056, 5472, 5688, 6004, 6144, 7296, 7584, 8192, 9006, 9216, 9728, 10112, 10944, 11376, 12008, 12288, 13509, 14592, 15168, 16384, 18012, 18432, 19456, 20224, 21888, 22752, 24016, 24576, 27018, 29184, 30336, 36024, 36864, 38912, 40448, 43776, 45504, 48032, 49152, 54036, 58368, 60672, 72048, 73728, 77824, 80896, 87552, 91008, 96064, 108072, 116736, 121344, 144096, 147456, 155648, 161792, 175104, 182016, 192128, 216144, 233472, 242688, 288192, 311296, 323584, 350208, 364032, 384256, 432288, 466944, 485376, 576384, 647168, 700416, 728064, 768512, 864576, 933888, 970752, 1152768, 1294336, 1400832, 1456128, 1537024, 1729152, 1941504, 2305536, 2801664, 2912256, 3074048, 3458304, 3883008, 4611072, 5824512, 6148096, 6916608, 9222144, 11649024, 12296192, 13833216, 18444288, 24592384, 27666432, 36888576, 55332864, 73777152, 110665728, 221331456]

約数ペア:

[(1, 221331456), (2, 110665728), (3, 73777152), (4, 55332864), (6, 36888576), (8, 27666432), (9, 24592384), (12, 18444288), (16, 13833216), (18, 12296192), (19, 11649024), (24, 9222144), (32, 6916608), (36, 6148096), (38, 5824512), (48, 4611072), (57, 3883008), (64, 3458304), (72, 3074048), (76, 2912256), (79, 2801664), (96, 2305536), (114, 1941504), (128, 1729152), (144, 1537024), (152, 1456128), (158, 1400832), (171, 1294336), (192, 1152768), (228, 970752), (237, 933888), (256, 864576), (288, 768512), (304, 728064), (316, 700416), (342, 647168), (384, 576384), (456, 485376), (474, 466944), (512, 432288), (576, 384256), (608, 364032), (632, 350208), (684, 323584), (711, 311296), (768, 288192), (912, 242688), (948, 233472), (1024, 216144), (1152, 192128), (1216, 182016), (1264, 175104), (1368, 161792), (1422, 155648), (1501, 147456), (1536, 144096), (1824, 121344), (1896, 116736), (2048, 108072), (2304, 96064), (2432, 91008), (2528, 87552), (2736, 80896), (2844, 77824), (3002, 73728), (3072, 72048), (3648, 60672), (3792, 58368), (4096, 54036), (4503, 49152), (4608, 48032), (4864, 45504), (5056, 43776), (5472, 40448), (5688, 38912), (6004, 36864), (6144, 36024), (7296, 30336), (7584, 29184), (8192, 27018), (9006, 24576), (9216, 24016), (9728, 22752), (10112, 21888), (10944, 20224), (11376, 19456), (12008, 18432), (12288, 18012), (13509, 16384), (14592, 15168)]