13964405

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{653}}^1$

素因数の和:725

約数の個数: 32

約数和(自身を含む): 21095424

約数和(自身を除く): 7131019

約数列:

[1, 5, 7, 13, 35, 47, 65, 91, 235, 329, 455, 611, 653, 1645, 3055, 3265, 4277, 4571, 8489, 21385, 22855, 30691, 42445, 59423, 153455, 214837, 297115, 398983, 1074185, 1994915, 2792881, 13964405]

約数ペア:

[(1, 13964405), (5, 2792881), (7, 1994915), (13, 1074185), (35, 398983), (47, 297115), (65, 214837), (91, 153455), (235, 59423), (329, 42445), (455, 30691), (611, 22855), (653, 21385), (1645, 8489), (3055, 4571), (3265, 4277)]