221872128

素因数分解:

$2^{15}\times 3^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:131

約数の個数: 128

約数和(自身を含む): 617601840

約数和(自身を除く): 395729712

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 48, 61, 64, 74, 96, 111, 122, 128, 148, 183, 192, 222, 244, 256, 296, 366, 384, 444, 488, 512, 592, 732, 768, 888, 976, 1024, 1184, 1464, 1536, 1776, 1952, 2048, 2257, 2368, 2928, 3072, 3552, 3904, 4096, 4514, 4736, 5856, 6144, 6771, 7104, 7808, 8192, 9028, 9472, 11712, 12288, 13542, 14208, 15616, 16384, 18056, 18944, 23424, 24576, 27084, 28416, 31232, 32768, 36112, 37888, 46848, 49152, 54168, 56832, 62464, 72224, 75776, 93696, 98304, 108336, 113664, 124928, 144448, 151552, 187392, 216672, 227328, 249856, 288896, 303104, 374784, 433344, 454656, 499712, 577792, 606208, 749568, 866688, 909312, 999424, 1155584, 1212416, 1499136, 1733376, 1818624, 1998848, 2311168, 2998272, 3466752, 3637248, 4622336, 5996544, 6933504, 9244672, 13867008, 18489344, 27734016, 36978688, 55468032, 73957376, 110936064, 221872128]

約数ペア:

[(1, 221872128), (2, 110936064), (3, 73957376), (4, 55468032), (6, 36978688), (8, 27734016), (12, 18489344), (16, 13867008), (24, 9244672), (32, 6933504), (37, 5996544), (48, 4622336), (61, 3637248), (64, 3466752), (74, 2998272), (96, 2311168), (111, 1998848), (122, 1818624), (128, 1733376), (148, 1499136), (183, 1212416), (192, 1155584), (222, 999424), (244, 909312), (256, 866688), (296, 749568), (366, 606208), (384, 577792), (444, 499712), (488, 454656), (512, 433344), (592, 374784), (732, 303104), (768, 288896), (888, 249856), (976, 227328), (1024, 216672), (1184, 187392), (1464, 151552), (1536, 144448), (1776, 124928), (1952, 113664), (2048, 108336), (2257, 98304), (2368, 93696), (2928, 75776), (3072, 72224), (3552, 62464), (3904, 56832), (4096, 54168), (4514, 49152), (4736, 46848), (5856, 37888), (6144, 36112), (6771, 32768), (7104, 31232), (7808, 28416), (8192, 27084), (9028, 24576), (9472, 23424), (11712, 18944), (12288, 18056), (13542, 16384), (14208, 15616)]