638260130

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^3\times {\mathrm{2617}}^1$

素因数の和:2711

約数の個数: 32

約数和(自身を含む): 1190352240

約数和(自身を除く): 552092110

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 841, 1682, 2617, 4205, 5234, 8410, 13085, 24389, 26170, 48778, 75893, 121945, 151786, 243890, 379465, 758930, 2200897, 4401794, 11004485, 22008970, 63826013, 127652026, 319130065, 638260130]

約数ペア:

[(1, 638260130), (2, 319130065), (5, 127652026), (10, 63826013), (29, 22008970), (58, 11004485), (145, 4401794), (290, 2200897), (841, 758930), (1682, 379465), (2617, 243890), (4205, 151786), (5234, 121945), (8410, 75893), (13085, 48778), (24389, 26170)]