399331390

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{14537}}^1$

素因数の和:14652

約数の個数: 32

約数和(自身を含む): 747369504

約数和(自身を除く): 348038114

約数列:

[1, 2, 5, 10, 41, 67, 82, 134, 205, 335, 410, 670, 2747, 5494, 13735, 14537, 27470, 29074, 72685, 145370, 596017, 973979, 1192034, 1947958, 2980085, 4869895, 5960170, 9739790, 39933139, 79866278, 199665695, 399331390]

約数ペア:

[(1, 399331390), (2, 199665695), (5, 79866278), (10, 39933139), (41, 9739790), (67, 5960170), (82, 4869895), (134, 2980085), (205, 1947958), (335, 1192034), (410, 973979), (670, 596017), (2747, 145370), (5494, 72685), (13735, 29074), (14537, 27470)]