201288425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{19979}}^1$

素因数の和:20033

約数の個数: 24

約数和(自身を含む): 277482240

約数和(自身を除く): 76193815

約数列:

[1, 5, 13, 25, 31, 65, 155, 325, 403, 775, 2015, 10075, 19979, 99895, 259727, 499475, 619349, 1298635, 3096745, 6493175, 8051537, 15483725, 40257685, 201288425]

約数ペア:

[(1, 201288425), (5, 40257685), (13, 15483725), (25, 8051537), (31, 6493175), (65, 3096745), (155, 1298635), (325, 619349), (403, 499475), (775, 259727), (2015, 99895), (10075, 19979)]