331328725

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{659}}^1$

素因数の和:719

約数の個数: 72

約数和(自身を含む): 539161920

約数和(自身を除く): 207833195

約数列:

[1, 5, 7, 13, 17, 25, 35, 65, 85, 91, 119, 169, 175, 221, 325, 425, 455, 595, 659, 845, 1105, 1183, 1547, 2275, 2873, 2975, 3295, 4225, 4613, 5525, 5915, 7735, 8567, 11203, 14365, 16475, 20111, 23065, 29575, 38675, 42835, 56015, 59969, 71825, 78421, 100555, 111371, 115325, 145639, 214175, 280075, 299845, 392105, 502775, 556855, 728195, 779597, 1019473, 1499225, 1893307, 1960525, 2784275, 3640975, 3897985, 5097365, 9466535, 13253149, 19489925, 25486825, 47332675, 66265745, 331328725]

約数ペア:

[(1, 331328725), (5, 66265745), (7, 47332675), (13, 25486825), (17, 19489925), (25, 13253149), (35, 9466535), (65, 5097365), (85, 3897985), (91, 3640975), (119, 2784275), (169, 1960525), (175, 1893307), (221, 1499225), (325, 1019473), (425, 779597), (455, 728195), (595, 556855), (659, 502775), (845, 392105), (1105, 299845), (1183, 280075), (1547, 214175), (2275, 145639), (2873, 115325), (2975, 111371), (3295, 100555), (4225, 78421), (4613, 71825), (5525, 59969), (5915, 56015), (7735, 42835), (8567, 38675), (11203, 29575), (14365, 23065), (16475, 20111)]