26879125

素因数分解:

$5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1$

素因数の和:191

約数の個数: 64

約数和(自身を含む): 44029440

約数和(自身を除く): 17150315

約数列:

[1, 5, 7, 13, 17, 25, 35, 65, 85, 91, 119, 125, 139, 175, 221, 325, 425, 455, 595, 695, 875, 973, 1105, 1547, 1625, 1807, 2125, 2275, 2363, 2975, 3475, 4865, 5525, 7735, 9035, 11375, 11815, 12649, 14875, 16541, 17375, 24325, 27625, 30719, 38675, 45175, 59075, 63245, 82705, 121625, 153595, 193375, 215033, 225875, 295375, 316225, 413525, 767975, 1075165, 1581125, 2067625, 3839875, 5375825, 26879125]

約数ペア:

[(1, 26879125), (5, 5375825), (7, 3839875), (13, 2067625), (17, 1581125), (25, 1075165), (35, 767975), (65, 413525), (85, 316225), (91, 295375), (119, 225875), (125, 215033), (139, 193375), (175, 153595), (221, 121625), (325, 82705), (425, 63245), (455, 59075), (595, 45175), (695, 38675), (875, 30719), (973, 27625), (1105, 24325), (1547, 17375), (1625, 16541), (1807, 14875), (2125, 12649), (2275, 11815), (2363, 11375), (2975, 9035), (3475, 7735), (4865, 5525)]