78215285

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1\times {\mathrm{1993}}^1$

素因数の和:2212

約数の個数: 16

約数和(自身を含む): 96477696

約数和(自身を除く): 18262411

約数列:

[1, 5, 47, 167, 235, 835, 1993, 7849, 9965, 39245, 93671, 332831, 468355, 1664155, 15643057, 78215285]

約数ペア:

[(1, 78215285), (5, 15643057), (47, 1664155), (167, 468355), (235, 332831), (835, 93671), (1993, 39245), (7849, 9965)]