156071825

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2213}}^1$

素因数の和:2274

約数の個数: 48

約数和(自身を含む): 245984256

約数和(自身を除く): 89912431

約数列:

[1, 5, 7, 13, 25, 31, 35, 65, 91, 155, 175, 217, 325, 403, 455, 775, 1085, 2015, 2213, 2275, 2821, 5425, 10075, 11065, 14105, 15491, 28769, 55325, 68603, 70525, 77455, 143845, 201383, 343015, 387275, 480221, 719225, 891839, 1006915, 1715075, 2401105, 4459195, 5034575, 6242873, 12005525, 22295975, 31214365, 156071825]

約数ペア:

[(1, 156071825), (5, 31214365), (7, 22295975), (13, 12005525), (25, 6242873), (31, 5034575), (35, 4459195), (65, 2401105), (91, 1715075), (155, 1006915), (175, 891839), (217, 719225), (325, 480221), (403, 387275), (455, 343015), (775, 201383), (1085, 143845), (2015, 77455), (2213, 70525), (2275, 68603), (2821, 55325), (5425, 28769), (10075, 15491), (11065, 14105)]