208088725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{3701}}^1$

素因数の和:3897

約数の個数: 24

約数和(自身を含む): 279560232

約数和(自身を除く): 71471507

約数列:

[1, 5, 13, 25, 65, 173, 325, 865, 2249, 3701, 4325, 11245, 18505, 48113, 56225, 92525, 240565, 640273, 1202825, 3201365, 8323549, 16006825, 41617745, 208088725]

約数ペア:

[(1, 208088725), (5, 41617745), (13, 16006825), (25, 8323549), (65, 3201365), (173, 1202825), (325, 640273), (865, 240565), (2249, 92525), (3701, 56225), (4325, 48113), (11245, 18505)]