289519775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{4339}}^1$

素因数の和:4523

約数の個数: 24

約数和(自身を含む): 382631760

約数和(自身を除く): 93111985

約数列:

[1, 5, 17, 25, 85, 157, 425, 785, 2669, 3925, 4339, 13345, 21695, 66725, 73763, 108475, 368815, 681223, 1844075, 3406115, 11580791, 17030575, 57903955, 289519775]

約数ペア:

[(1, 289519775), (5, 57903955), (17, 17030575), (25, 11580791), (85, 3406115), (157, 1844075), (425, 681223), (785, 368815), (2669, 108475), (3925, 73763), (4339, 66725), (13345, 21695)]