68515208

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{431}}^1\times {\mathrm{641}}^1$

素因数の和:1109

約数の個数: 32

約数和(自身を含む): 133125120

約数和(自身を除く): 64609912

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 431, 641, 862, 1282, 1724, 2564, 3448, 5128, 13361, 19871, 26722, 39742, 53444, 79484, 106888, 158968, 276271, 552542, 1105084, 2210168, 8564401, 17128802, 34257604, 68515208]

約数ペア:

[(1, 68515208), (2, 34257604), (4, 17128802), (8, 8564401), (31, 2210168), (62, 1105084), (124, 552542), (248, 276271), (431, 158968), (641, 106888), (862, 79484), (1282, 53444), (1724, 39742), (2564, 26722), (3448, 19871), (5128, 13361)]