2151376

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:163

約数の個数: 40

約数和(自身を含む): 4419360

約数和(自身を除く): 2267984

約数列:

[1, 2, 4, 8, 16, 43, 53, 59, 86, 106, 118, 172, 212, 236, 344, 424, 472, 688, 848, 944, 2279, 2537, 3127, 4558, 5074, 6254, 9116, 10148, 12508, 18232, 20296, 25016, 36464, 40592, 50032, 134461, 268922, 537844, 1075688, 2151376]

約数ペア:

[(1, 2151376), (2, 1075688), (4, 537844), (8, 268922), (16, 134461), (43, 50032), (53, 40592), (59, 36464), (86, 25016), (106, 20296), (118, 18232), (172, 12508), (212, 10148), (236, 9116), (344, 6254), (424, 5074), (472, 4558), (688, 3127), (848, 2537), (944, 2279)]