1664207872

素因数分解:

$2^{10}\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3719}}^1$

素因数の和:3781

約数の個数: 88

約数和(自身を含む): 3655123200

約数和(自身を除く): 1990915328

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 38, 46, 64, 76, 92, 128, 152, 184, 256, 304, 368, 437, 512, 608, 736, 874, 1024, 1216, 1472, 1748, 2432, 2944, 3496, 3719, 4864, 5888, 6992, 7438, 9728, 11776, 13984, 14876, 19456, 23552, 27968, 29752, 55936, 59504, 70661, 85537, 111872, 119008, 141322, 171074, 223744, 238016, 282644, 342148, 447488, 476032, 565288, 684296, 952064, 1130576, 1368592, 1625203, 1904128, 2261152, 2737184, 3250406, 3808256, 4522304, 5474368, 6500812, 9044608, 10948736, 13001624, 18089216, 21897472, 26003248, 36178432, 43794944, 52006496, 72356864, 87589888, 104012992, 208025984, 416051968, 832103936, 1664207872]

約数ペア:

[(1, 1664207872), (2, 832103936), (4, 416051968), (8, 208025984), (16, 104012992), (19, 87589888), (23, 72356864), (32, 52006496), (38, 43794944), (46, 36178432), (64, 26003248), (76, 21897472), (92, 18089216), (128, 13001624), (152, 10948736), (184, 9044608), (256, 6500812), (304, 5474368), (368, 4522304), (437, 3808256), (512, 3250406), (608, 2737184), (736, 2261152), (874, 1904128), (1024, 1625203), (1216, 1368592), (1472, 1130576), (1748, 952064), (2432, 684296), (2944, 565288), (3496, 476032), (3719, 447488), (4864, 342148), (5888, 282644), (6992, 238016), (7438, 223744), (9728, 171074), (11776, 141322), (13984, 119008), (14876, 111872), (19456, 85537), (23552, 70661), (27968, 59504), (29752, 55936)]