638545596

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{177967}}^1$

素因数の和:178010

約数の個数: 48

約数和(自身を含む): 1674322944

約数和(自身を除く): 1035777348

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 46, 52, 69, 78, 92, 138, 156, 276, 299, 598, 897, 1196, 1794, 3588, 177967, 355934, 533901, 711868, 1067802, 2135604, 2313571, 4093241, 4627142, 6940713, 8186482, 9254284, 12279723, 13881426, 16372964, 24559446, 27762852, 49118892, 53212133, 106424266, 159636399, 212848532, 319272798, 638545596]

約数ペア:

[(1, 638545596), (2, 319272798), (3, 212848532), (4, 159636399), (6, 106424266), (12, 53212133), (13, 49118892), (23, 27762852), (26, 24559446), (39, 16372964), (46, 13881426), (52, 12279723), (69, 9254284), (78, 8186482), (92, 6940713), (138, 4627142), (156, 4093241), (276, 2313571), (299, 2135604), (598, 1067802), (897, 711868), (1196, 533901), (1794, 355934), (3588, 177967)]