28636195

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 41212800

約数和(自身を除く): 12576605

約数列:

[1, 5, 7, 29, 35, 89, 145, 203, 317, 445, 623, 1015, 1585, 2219, 2581, 3115, 9193, 11095, 12905, 18067, 28213, 45965, 64351, 90335, 141065, 197491, 321755, 818177, 987455, 4090885, 5727239, 28636195]

約数ペア:

[(1, 28636195), (5, 5727239), (7, 4090885), (29, 987455), (35, 818177), (89, 321755), (145, 197491), (203, 141065), (317, 90335), (445, 64351), (623, 45965), (1015, 28213), (1585, 18067), (2219, 12905), (2581, 11095), (3115, 9193)]