201612775

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{401}}^1$

素因数の和:461

約数の個数: 72

約数和(自身を含む): 328398624

約数和(自身を除く): 126785849

約数列:

[1, 5, 7, 13, 17, 25, 35, 65, 85, 91, 119, 169, 175, 221, 325, 401, 425, 455, 595, 845, 1105, 1183, 1547, 2005, 2275, 2807, 2873, 2975, 4225, 5213, 5525, 5915, 6817, 7735, 10025, 14035, 14365, 20111, 26065, 29575, 34085, 36491, 38675, 47719, 67769, 70175, 71825, 88621, 100555, 130325, 170425, 182455, 238595, 338845, 443105, 474383, 502775, 620347, 912275, 1152073, 1192975, 1694225, 2215525, 2371915, 3101735, 5760365, 8064511, 11859575, 15508675, 28801825, 40322555, 201612775]

約数ペア:

[(1, 201612775), (5, 40322555), (7, 28801825), (13, 15508675), (17, 11859575), (25, 8064511), (35, 5760365), (65, 3101735), (85, 2371915), (91, 2215525), (119, 1694225), (169, 1192975), (175, 1152073), (221, 912275), (325, 620347), (401, 502775), (425, 474383), (455, 443105), (595, 338845), (845, 238595), (1105, 182455), (1183, 170425), (1547, 130325), (2005, 100555), (2275, 88621), (2807, 71825), (2873, 70175), (2975, 67769), (4225, 47719), (5213, 38675), (5525, 36491), (5915, 34085), (6817, 29575), (7735, 26065), (10025, 20111), (14035, 14365)]