31138888

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{821}}^1$

素因数の和:1269

約数の個数: 32

約数和(自身を含む): 63918720

約数和(自身を除く): 32779832

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 431, 821, 862, 1642, 1724, 3284, 3448, 4741, 6568, 9031, 9482, 18062, 18964, 36124, 37928, 72248, 353851, 707702, 1415404, 2830808, 3892361, 7784722, 15569444, 31138888]

約数ペア:

[(1, 31138888), (2, 15569444), (4, 7784722), (8, 3892361), (11, 2830808), (22, 1415404), (44, 707702), (88, 353851), (431, 72248), (821, 37928), (862, 36124), (1642, 18964), (1724, 18062), (3284, 9482), (3448, 9031), (4741, 6568)]