339657025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{1993}}^1$

素因数の和:2421

約数の個数: 24

約数和(自身を含む): 447286104

約数和(自身を除く): 107629079

約数列:

[1, 5, 17, 25, 85, 401, 425, 1993, 2005, 6817, 9965, 10025, 33881, 34085, 49825, 169405, 170425, 799193, 847025, 3995965, 13586281, 19979825, 67931405, 339657025]

約数ペア:

[(1, 339657025), (5, 67931405), (17, 19979825), (25, 13586281), (85, 3995965), (401, 847025), (425, 799193), (1993, 170425), (2005, 169405), (6817, 49825), (9965, 34085), (10025, 33881)]