28640374

素因数分解:

$2^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{5153}}^1$

素因数の和:5559

約数の個数: 16

約数和(自身を含む): 49231008

約数和(自身を除く): 20590634

約数列:

[1, 2, 7, 14, 397, 794, 2779, 5153, 5558, 10306, 36071, 72142, 2045741, 4091482, 14320187, 28640374]

約数ペア:

[(1, 28640374), (2, 14320187), (7, 4091482), (14, 2045741), (397, 72142), (794, 36071), (2779, 10306), (5153, 5558)]