218515969

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{13831}}^1$

素因数の和:13936

約数の個数: 16

約数和(自身を含む): 260705536

約数和(自身を除く): 42189567

約数列:

[1, 7, 37, 61, 259, 427, 2257, 13831, 15799, 96817, 511747, 843691, 3582229, 5905837, 31216567, 218515969]

約数ペア:

[(1, 218515969), (7, 31216567), (37, 5905837), (61, 3582229), (259, 843691), (427, 511747), (2257, 96817), (13831, 15799)]