420176728

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{431}}^1\times {\mathrm{3931}}^1$

素因数の和:4399

約数の個数: 32

約数和(自身を含む): 815339520

約数和(自身を除く): 395162792

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 431, 862, 1724, 3448, 3931, 7862, 13361, 15724, 26722, 31448, 53444, 106888, 121861, 243722, 487444, 974888, 1694261, 3388522, 6777044, 13554088, 52522091, 105044182, 210088364, 420176728]

約数ペア:

[(1, 420176728), (2, 210088364), (4, 105044182), (8, 52522091), (31, 13554088), (62, 6777044), (124, 3388522), (248, 1694261), (431, 974888), (862, 487444), (1724, 243722), (3448, 121861), (3931, 106888), (7862, 53444), (13361, 31448), (15724, 26722)]