28459925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1307}}^1$

素因数の和:1397

約数の個数: 24

約数和(自身を含む): 38601696

約数和(自身を除く): 10141771

約数列:

[1, 5, 13, 25, 65, 67, 325, 335, 871, 1307, 1675, 4355, 6535, 16991, 21775, 32675, 84955, 87569, 424775, 437845, 1138397, 2189225, 5691985, 28459925]

約数ペア:

[(1, 28459925), (5, 5691985), (13, 2189225), (25, 1138397), (65, 437845), (67, 424775), (325, 87569), (335, 84955), (871, 32675), (1307, 21775), (1675, 16991), (4355, 6535)]