28757365

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{9029}}^1$

素因数の和:9061

約数の個数: 24

約数和(自身を含む): 43235640

約数和(自身を除く): 14478275

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 3185, 9029, 45145, 63203, 117377, 316015, 442421, 586885, 821639, 2212105, 4108195, 5751473, 28757365]

約数ペア:

[(1, 28757365), (5, 5751473), (7, 4108195), (13, 2212105), (35, 821639), (49, 586885), (65, 442421), (91, 316015), (245, 117377), (455, 63203), (637, 45145), (3185, 9029)]