28663985

素因数分解:

$5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{8443}}^1$

素因数の和:8552

約数の個数: 16

約数和(自身を含む): 39720576

約数和(自身を除く): 11056591

約数列:

[1, 5, 7, 35, 97, 485, 679, 3395, 8443, 42215, 59101, 295505, 818971, 4094855, 5732797, 28663985]

約数ペア:

[(1, 28663985), (5, 5732797), (7, 4094855), (35, 818971), (97, 295505), (485, 59101), (679, 42215), (3395, 8443)]