253669390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1951303}}^1$

素因数の和:1951323

約数の個数: 16

約数和(自身を含む): 491728608

約数和(自身を除く): 238059218

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1951303, 3902606, 9756515, 19513030, 25366939, 50733878, 126834695, 253669390]

約数ペア:

[(1, 253669390), (2, 126834695), (5, 50733878), (10, 25366939), (13, 19513030), (26, 9756515), (65, 3902606), (130, 1951303)]