28619899

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{757}}^1$

素因数の和:1266

約数の個数: 16

約数和(自身を含む): 35801856

約数和(自身を除く): 7181957

約数列:

[1, 7, 11, 77, 491, 757, 3437, 5299, 5401, 8327, 37807, 58289, 371687, 2601809, 4088557, 28619899]

約数ペア:

[(1, 28619899), (7, 4088557), (11, 2601809), (77, 371687), (491, 58289), (757, 37807), (3437, 8327), (5299, 5401)]