2178156953

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{74317}}^1$

素因数の和:74456

約数の個数: 16

約数和(自身を含む): 2568430080

約数和(自身を除く): 390273127

約数列:

[1, 7, 53, 79, 371, 553, 4187, 29309, 74317, 520219, 3938801, 5871043, 27571607, 41097301, 311165279, 2178156953]

約数ペア:

[(1, 2178156953), (7, 311165279), (53, 41097301), (79, 27571607), (371, 5871043), (553, 3938801), (4187, 520219), (29309, 74317)]