129898775

素因数分解:

$5^2\times {\mathrm{127}}^1\times {\mathrm{163}}^1\times {\mathrm{251}}^1$

素因数の和:551

約数の個数: 24

約数和(自身を含む): 163989504

約数和(自身を除く): 34090729

約数列:

[1, 5, 25, 127, 163, 251, 635, 815, 1255, 3175, 4075, 6275, 20701, 31877, 40913, 103505, 159385, 204565, 517525, 796925, 1022825, 5195951, 25979755, 129898775]

約数ペア:

[(1, 129898775), (5, 25979755), (25, 5195951), (127, 1022825), (163, 796925), (251, 517525), (635, 204565), (815, 159385), (1255, 103505), (3175, 40913), (4075, 31877), (6275, 20701)]