25956008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{277}}^1$

素因数の和:366

約数の個数: 64

約数和(自身を含む): 56745360

約数和(自身を除く): 30789352

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 53, 68, 104, 106, 136, 212, 221, 277, 424, 442, 554, 689, 884, 901, 1108, 1378, 1768, 1802, 2216, 2756, 3601, 3604, 4709, 5512, 7202, 7208, 9418, 11713, 14404, 14681, 18836, 23426, 28808, 29362, 37672, 46852, 58724, 61217, 93704, 117448, 122434, 190853, 244868, 249577, 381706, 489736, 499154, 763412, 998308, 1526824, 1996616, 3244501, 6489002, 12978004, 25956008]

約数ペア:

[(1, 25956008), (2, 12978004), (4, 6489002), (8, 3244501), (13, 1996616), (17, 1526824), (26, 998308), (34, 763412), (52, 499154), (53, 489736), (68, 381706), (104, 249577), (106, 244868), (136, 190853), (212, 122434), (221, 117448), (277, 93704), (424, 61217), (442, 58724), (554, 46852), (689, 37672), (884, 29362), (901, 28808), (1108, 23426), (1378, 18836), (1768, 14681), (1802, 14404), (2216, 11713), (2756, 9418), (3601, 7208), (3604, 7202), (4709, 5512)]