12891784

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{229}}^1$

素因数の和:493

約数の個数: 32

約数和(自身を含む): 25171200

約数和(自身を除く): 12279416

約数列:

[1, 2, 4, 8, 31, 62, 124, 227, 229, 248, 454, 458, 908, 916, 1816, 1832, 7037, 7099, 14074, 14198, 28148, 28396, 51983, 56296, 56792, 103966, 207932, 415864, 1611473, 3222946, 6445892, 12891784]

約数ペア:

[(1, 12891784), (2, 6445892), (4, 3222946), (8, 1611473), (31, 415864), (62, 207932), (124, 103966), (227, 56792), (229, 56296), (248, 51983), (454, 28396), (458, 28148), (908, 14198), (916, 14074), (1816, 7099), (1832, 7037)]