201638710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{221581}}^1$

素因数の和:221608

約数の個数: 32

約数和(自身を含む): 446709312

約数和(自身を除く): 245070602

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 221581, 443162, 1107905, 1551067, 2215810, 2880553, 3102134, 5761106, 7755335, 14402765, 15510670, 20163871, 28805530, 40327742, 100819355, 201638710]

約数ペア:

[(1, 201638710), (2, 100819355), (5, 40327742), (7, 28805530), (10, 20163871), (13, 15510670), (14, 14402765), (26, 7755335), (35, 5761106), (65, 3102134), (70, 2880553), (91, 2215810), (130, 1551067), (182, 1107905), (455, 443162), (910, 221581)]