25487642

素因数分解:

$2^1\times {\mathrm{31}}^2\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:302

約数の個数: 24

約数和(自身を含む): 40216500

約数和(自身を除く): 14728858

約数列:

[1, 2, 31, 62, 89, 149, 178, 298, 961, 1922, 2759, 4619, 5518, 9238, 13261, 26522, 85529, 143189, 171058, 286378, 411091, 822182, 12743821, 25487642]

約数ペア:

[(1, 25487642), (2, 12743821), (31, 822182), (62, 411091), (89, 286378), (149, 171058), (178, 143189), (298, 85529), (961, 26522), (1922, 13261), (2759, 9238), (4619, 5518)]