68633968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{1061}}^1$

素因数の和:1393

約数の個数: 40

約数和(自身を含む): 143803296

約数和(自身を除く): 75169328

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 311, 622, 1061, 1244, 2122, 2488, 4043, 4244, 4976, 8086, 8488, 13793, 16172, 16976, 27586, 32344, 55172, 64688, 110344, 220688, 329971, 659942, 1319884, 2639768, 4289623, 5279536, 8579246, 17158492, 34316984, 68633968]

約数ペア:

[(1, 68633968), (2, 34316984), (4, 17158492), (8, 8579246), (13, 5279536), (16, 4289623), (26, 2639768), (52, 1319884), (104, 659942), (208, 329971), (311, 220688), (622, 110344), (1061, 64688), (1244, 55172), (2122, 32344), (2488, 27586), (4043, 16976), (4244, 16172), (4976, 13793), (8086, 8488)]