81431885

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{5903}}^1$

素因数の和:6028

約数の個数: 16

約数和(自身を含む): 102021120

約数和(自身を除く): 20589235

約数列:

[1, 5, 31, 89, 155, 445, 2759, 5903, 13795, 29515, 182993, 525367, 914965, 2626835, 16286377, 81431885]

約数ペア:

[(1, 81431885), (5, 16286377), (31, 2626835), (89, 914965), (155, 525367), (445, 182993), (2759, 29515), (5903, 13795)]