289009775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{18379}}^1$

素因数の和:18443

約数の個数: 24

約数和(自身を含む): 389729520

約数和(自身を除く): 100719745

約数列:

[1, 5, 17, 25, 37, 85, 185, 425, 629, 925, 3145, 15725, 18379, 91895, 312443, 459475, 680023, 1562215, 3400115, 7811075, 11560391, 17000575, 57801955, 289009775]

約数ペア:

[(1, 289009775), (5, 57801955), (17, 17000575), (25, 11560391), (37, 7811075), (85, 3400115), (185, 1562215), (425, 680023), (629, 459475), (925, 312443), (3145, 91895), (15725, 18379)]