30881968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{148471}}^1$

素因数の和:148492

約数の個数: 20

約数和(自身を含む): 64436848

約数和(自身を除く): 33554880

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 148471, 296942, 593884, 1187768, 1930123, 2375536, 3860246, 7720492, 15440984, 30881968]

約数ペア:

[(1, 30881968), (2, 15440984), (4, 7720492), (8, 3860246), (13, 2375536), (16, 1930123), (26, 1187768), (52, 593884), (104, 296942), (208, 148471)]