321672365

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{409}}^1\times {\mathrm{977}}^1$

素因数の和:1421

約数の個数: 32

約数和(自身を含む): 461928960

約数和(自身を除く): 140256595

約数列:

[1, 5, 7, 23, 35, 115, 161, 409, 805, 977, 2045, 2863, 4885, 6839, 9407, 14315, 22471, 34195, 47035, 65849, 112355, 157297, 329245, 399593, 786485, 1997965, 2797151, 9190639, 13985755, 45953195, 64334473, 321672365]

約数ペア:

[(1, 321672365), (5, 64334473), (7, 45953195), (23, 13985755), (35, 9190639), (115, 2797151), (161, 1997965), (409, 786485), (805, 399593), (977, 329245), (2045, 157297), (2863, 112355), (4885, 65849), (6839, 47035), (9407, 34195), (14315, 22471)]