352491490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{19507}}^1$

素因数の和:19666

約数の個数: 32

約数和(自身を含む): 688242240

約数和(自身を除く): 335750750

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 139, 278, 695, 1390, 1807, 3614, 9035, 18070, 19507, 39014, 97535, 195070, 253591, 507182, 1267955, 2535910, 2711473, 5422946, 13557365, 27114730, 35249149, 70498298, 176245745, 352491490]

約数ペア:

[(1, 352491490), (2, 176245745), (5, 70498298), (10, 35249149), (13, 27114730), (26, 13557365), (65, 5422946), (130, 2711473), (139, 2535910), (278, 1267955), (695, 507182), (1390, 253591), (1807, 195070), (3614, 97535), (9035, 39014), (18070, 19507)]