28374185

素因数分解:

$5^1\times 7^2\times {\mathrm{179}}^1\times {\mathrm{647}}^1$

素因数の和:845

約数の個数: 24

約数和(自身を含む): 39890880

約数和(自身を除く): 11516695

約数列:

[1, 5, 7, 35, 49, 179, 245, 647, 895, 1253, 3235, 4529, 6265, 8771, 22645, 31703, 43855, 115813, 158515, 579065, 810691, 4053455, 5674837, 28374185]

約数ペア:

[(1, 28374185), (5, 5674837), (7, 4053455), (35, 810691), (49, 579065), (179, 158515), (245, 115813), (647, 43855), (895, 31703), (1253, 22645), (3235, 8771), (4529, 6265)]