28097615

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1669}}^1$

素因数の和:1731

約数の個数: 32

約数和(自身を含む): 42645120

約数和(自身を除く): 14547505

約数列:

[1, 5, 7, 13, 35, 37, 65, 91, 185, 259, 455, 481, 1295, 1669, 2405, 3367, 8345, 11683, 16835, 21697, 58415, 61753, 108485, 151879, 308765, 432271, 759395, 802789, 2161355, 4013945, 5619523, 28097615]

約数ペア:

[(1, 28097615), (5, 5619523), (7, 4013945), (13, 2161355), (35, 802789), (37, 759395), (65, 432271), (91, 308765), (185, 151879), (259, 108485), (455, 61753), (481, 58415), (1295, 21697), (1669, 16835), (2405, 11683), (3367, 8345)]