31431968

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{431}}^1$

素因数の和:537

約数の個数: 48

約数和(自身を含む): 64665216

約数和(自身を除く): 33233248

約数列:

[1, 2, 4, 8, 16, 32, 43, 53, 86, 106, 172, 212, 344, 424, 431, 688, 848, 862, 1376, 1696, 1724, 2279, 3448, 4558, 6896, 9116, 13792, 18232, 18533, 22843, 36464, 37066, 45686, 72928, 74132, 91372, 148264, 182744, 296528, 365488, 593056, 730976, 982249, 1964498, 3928996, 7857992, 15715984, 31431968]

約数ペア:

[(1, 31431968), (2, 15715984), (4, 7857992), (8, 3928996), (16, 1964498), (32, 982249), (43, 730976), (53, 593056), (86, 365488), (106, 296528), (172, 182744), (212, 148264), (344, 91372), (424, 74132), (431, 72928), (688, 45686), (848, 37066), (862, 36464), (1376, 22843), (1696, 18533), (1724, 18232), (2279, 13792), (3448, 9116), (4558, 6896)]