90198565

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{7213}}^1$

素因数の和:7320

約数の個数: 16

約数和(自身を含む): 112711536

約数和(自身を除く): 22512971

約数列:

[1, 5, 41, 61, 205, 305, 2501, 7213, 12505, 36065, 295733, 439993, 1478665, 2199965, 18039713, 90198565]

約数ペア:

[(1, 90198565), (5, 18039713), (41, 2199965), (61, 1478665), (205, 439993), (305, 295733), (2501, 36065), (7213, 12505)]