81241792

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{557}}^1$

素因数の和:665

約数の個数: 56

約数和(自身を含む): 168377616

約数和(自身を除く): 87135824

約数列:

[1, 2, 4, 8, 16, 32, 43, 53, 64, 86, 106, 172, 212, 344, 424, 557, 688, 848, 1114, 1376, 1696, 2228, 2279, 2752, 3392, 4456, 4558, 8912, 9116, 17824, 18232, 23951, 29521, 35648, 36464, 47902, 59042, 72928, 95804, 118084, 145856, 191608, 236168, 383216, 472336, 766432, 944672, 1269403, 1532864, 1889344, 2538806, 5077612, 10155224, 20310448, 40620896, 81241792]

約数ペア:

[(1, 81241792), (2, 40620896), (4, 20310448), (8, 10155224), (16, 5077612), (32, 2538806), (43, 1889344), (53, 1532864), (64, 1269403), (86, 944672), (106, 766432), (172, 472336), (212, 383216), (344, 236168), (424, 191608), (557, 145856), (688, 118084), (848, 95804), (1114, 72928), (1376, 59042), (1696, 47902), (2228, 36464), (2279, 35648), (2752, 29521), (3392, 23951), (4456, 18232), (4558, 17824), (8912, 9116)]