660168808

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{2111}}^1$

素因数の和:2258

約数の個数: 64

約数和(自身を含む): 1390878720

約数和(自身を除く): 730709912

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 97, 104, 124, 194, 248, 388, 403, 776, 806, 1261, 1612, 2111, 2522, 3007, 3224, 4222, 5044, 6014, 8444, 10088, 12028, 16888, 24056, 27443, 39091, 54886, 65441, 78182, 109772, 130882, 156364, 204767, 219544, 261764, 312728, 409534, 523528, 819068, 850733, 1638136, 1701466, 2661971, 3402932, 5323942, 6347777, 6805864, 10647884, 12695554, 21295768, 25391108, 50782216, 82521101, 165042202, 330084404, 660168808]

約数ペア:

[(1, 660168808), (2, 330084404), (4, 165042202), (8, 82521101), (13, 50782216), (26, 25391108), (31, 21295768), (52, 12695554), (62, 10647884), (97, 6805864), (104, 6347777), (124, 5323942), (194, 3402932), (248, 2661971), (388, 1701466), (403, 1638136), (776, 850733), (806, 819068), (1261, 523528), (1612, 409534), (2111, 312728), (2522, 261764), (3007, 219544), (3224, 204767), (4222, 156364), (5044, 130882), (6014, 109772), (8444, 78182), (10088, 65441), (12028, 54886), (16888, 39091), (24056, 27443)]