205959325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1087}}^1$

素因数の和:1174

約数の個数: 48

約数和(自身を含む): 305980416

約数和(自身を除く): 100021091

約数列:

[1, 5, 11, 13, 25, 53, 55, 65, 143, 265, 275, 325, 583, 689, 715, 1087, 1325, 2915, 3445, 3575, 5435, 7579, 11957, 14131, 14575, 17225, 27175, 37895, 57611, 59785, 70655, 155441, 189475, 288055, 298925, 353275, 633721, 748943, 777205, 1440275, 3168605, 3744715, 3886025, 8238373, 15843025, 18723575, 41191865, 205959325]

約数ペア:

[(1, 205959325), (5, 41191865), (11, 18723575), (13, 15843025), (25, 8238373), (53, 3886025), (55, 3744715), (65, 3168605), (143, 1440275), (265, 777205), (275, 748943), (325, 633721), (583, 353275), (689, 298925), (715, 288055), (1087, 189475), (1325, 155441), (2915, 70655), (3445, 59785), (3575, 57611), (5435, 37895), (7579, 27175), (11957, 17225), (14131, 14575)]