201721728

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2377}}^1$

素因数の和:2424

約数の個数: 128

約数和(自身を含む): 611241120

約数和(自身を除く): 409519392

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 24, 26, 32, 34, 39, 48, 51, 52, 64, 68, 78, 96, 102, 104, 128, 136, 156, 192, 204, 208, 221, 272, 312, 384, 408, 416, 442, 544, 624, 663, 816, 832, 884, 1088, 1248, 1326, 1632, 1664, 1768, 2176, 2377, 2496, 2652, 3264, 3536, 4754, 4992, 5304, 6528, 7072, 7131, 9508, 10608, 14144, 14262, 19016, 21216, 28288, 28524, 30901, 38032, 40409, 42432, 57048, 61802, 76064, 80818, 84864, 92703, 114096, 121227, 123604, 152128, 161636, 185406, 228192, 242454, 247208, 304256, 323272, 370812, 456384, 484908, 494416, 525317, 646544, 741624, 912768, 969816, 988832, 1050634, 1293088, 1483248, 1575951, 1939632, 1977664, 2101268, 2586176, 2966496, 3151902, 3879264, 3955328, 4202536, 5172352, 5932992, 6303804, 7758528, 8405072, 11865984, 12607608, 15517056, 16810144, 25215216, 33620288, 50430432, 67240576, 100860864, 201721728]

約数ペア:

[(1, 201721728), (2, 100860864), (3, 67240576), (4, 50430432), (6, 33620288), (8, 25215216), (12, 16810144), (13, 15517056), (16, 12607608), (17, 11865984), (24, 8405072), (26, 7758528), (32, 6303804), (34, 5932992), (39, 5172352), (48, 4202536), (51, 3955328), (52, 3879264), (64, 3151902), (68, 2966496), (78, 2586176), (96, 2101268), (102, 1977664), (104, 1939632), (128, 1575951), (136, 1483248), (156, 1293088), (192, 1050634), (204, 988832), (208, 969816), (221, 912768), (272, 741624), (312, 646544), (384, 525317), (408, 494416), (416, 484908), (442, 456384), (544, 370812), (624, 323272), (663, 304256), (816, 247208), (832, 242454), (884, 228192), (1088, 185406), (1248, 161636), (1326, 152128), (1632, 123604), (1664, 121227), (1768, 114096), (2176, 92703), (2377, 84864), (2496, 80818), (2652, 76064), (3264, 61802), (3536, 57048), (4754, 42432), (4992, 40409), (5304, 38032), (6528, 30901), (7072, 28524), (7131, 28288), (9508, 21216), (10608, 19016), (14144, 14262)]