248860025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{2557}}^1$

素因数の和:2813

約数の個数: 24

約数和(自身を含む): 328293720

約数和(自身を除く): 79433695

約数列:

[1, 5, 17, 25, 85, 229, 425, 1145, 2557, 3893, 5725, 12785, 19465, 43469, 63925, 97325, 217345, 585553, 1086725, 2927765, 9954401, 14638825, 49772005, 248860025]

約数ペア:

[(1, 248860025), (5, 49772005), (17, 14638825), (25, 9954401), (85, 2927765), (229, 1086725), (425, 585553), (1145, 217345), (2557, 97325), (3893, 63925), (5725, 43469), (12785, 19465)]