64400416

素因数分解:

$2^5\times {\mathrm{29}}^2\times {\mathrm{2393}}^1$

素因数の和:2461

約数の個数: 36

約数和(自身を含む): 131365962

約数和(自身を除く): 66965546

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 116, 232, 464, 841, 928, 1682, 2393, 3364, 4786, 6728, 9572, 13456, 19144, 26912, 38288, 69397, 76576, 138794, 277588, 555176, 1110352, 2012513, 2220704, 4025026, 8050052, 16100104, 32200208, 64400416]

約数ペア:

[(1, 64400416), (2, 32200208), (4, 16100104), (8, 8050052), (16, 4025026), (29, 2220704), (32, 2012513), (58, 1110352), (116, 555176), (232, 277588), (464, 138794), (841, 76576), (928, 69397), (1682, 38288), (2393, 26912), (3364, 19144), (4786, 13456), (6728, 9572)]