2013290425

素因数分解:

$5^2\times {\mathrm{163}}^1\times {\mathrm{557}}^1\times {\mathrm{887}}^1$

素因数の和:1617

約数の個数: 24

約数和(自身を含む): 2519142336

約数和(自身を除く): 505851911

約数列:

[1, 5, 25, 163, 557, 815, 887, 2785, 4075, 4435, 13925, 22175, 90791, 144581, 453955, 494059, 722905, 2269775, 2470295, 3614525, 12351475, 80531617, 402658085, 2013290425]

約数ペア:

[(1, 2013290425), (5, 402658085), (25, 80531617), (163, 12351475), (557, 3614525), (815, 2470295), (887, 2269775), (2785, 722905), (4075, 494059), (4435, 453955), (13925, 144581), (22175, 90791)]