788976890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{691}}^1\times {\mathrm{8783}}^1$

素因数の和:9494

約数の個数: 32

約数和(自身を含む): 1531789056

約数和(自身を除く): 742812166

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 691, 1382, 3455, 6910, 8783, 8983, 17566, 17966, 43915, 44915, 87830, 89830, 114179, 228358, 570895, 1141790, 6069053, 12138106, 30345265, 60690530, 78897689, 157795378, 394488445, 788976890]

約数ペア:

[(1, 788976890), (2, 394488445), (5, 157795378), (10, 78897689), (13, 60690530), (26, 30345265), (65, 12138106), (130, 6069053), (691, 1141790), (1382, 570895), (3455, 228358), (6910, 114179), (8783, 89830), (8983, 87830), (17566, 44915), (17966, 43915)]