68664728

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{4787}}^1$

素因数の和:4967

約数の個数: 32

約数和(自身を含む): 141341760

約数和(自身を除く): 72677032

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 163, 326, 652, 1304, 1793, 3586, 4787, 7172, 9574, 14344, 19148, 38296, 52657, 105314, 210628, 421256, 780281, 1560562, 3121124, 6242248, 8583091, 17166182, 34332364, 68664728]

約数ペア:

[(1, 68664728), (2, 34332364), (4, 17166182), (8, 8583091), (11, 6242248), (22, 3121124), (44, 1560562), (88, 780281), (163, 421256), (326, 210628), (652, 105314), (1304, 52657), (1793, 38296), (3586, 19148), (4787, 14344), (7172, 9574)]