202113515525

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{1553}}^1\times {\mathrm{18013}}^1$

素因数の和:19610

約数の個数: 36

約数和(自身を含む): 266416575852

約数和(自身を除く): 64303060327

約数列:

[1, 5, 17, 25, 85, 289, 425, 1445, 1553, 7225, 7765, 18013, 26401, 38825, 90065, 132005, 306221, 448817, 450325, 660025, 1531105, 2244085, 5205757, 7655525, 11220425, 26028785, 27974189, 130143925, 139870945, 475561213, 699354725, 2377806065, 8084540621, 11889030325, 40422703105, 202113515525]

約数ペア:

[(1, 202113515525), (5, 40422703105), (17, 11889030325), (25, 8084540621), (85, 2377806065), (289, 699354725), (425, 475561213), (1445, 139870945), (1553, 130143925), (7225, 27974189), (7765, 26028785), (18013, 11220425), (26401, 7655525), (38825, 5205757), (90065, 2244085), (132005, 1531105), (306221, 660025), (448817, 450325)]