354643025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{661}}^1\times {\mathrm{1951}}^1$

素因数の和:2633

約数の個数: 24

約数和(自身を含む): 480707328

約数和(自身を除く): 126064303

約数列:

[1, 5, 11, 25, 55, 275, 661, 1951, 3305, 7271, 9755, 16525, 21461, 36355, 48775, 107305, 181775, 536525, 1289611, 6448055, 14185721, 32240275, 70928605, 354643025]

約数ペア:

[(1, 354643025), (5, 70928605), (11, 32240275), (25, 14185721), (55, 6448055), (275, 1289611), (661, 536525), (1951, 181775), (3305, 107305), (7271, 48775), (9755, 36355), (16525, 21461)]