25375112

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{311}}^1$

素因数の和:402

約数の個数: 64

約数和(自身を含む): 57507840

約数和(自身を除く): 32132728

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 47, 56, 62, 94, 124, 188, 217, 248, 311, 329, 376, 434, 622, 658, 868, 1244, 1316, 1457, 1736, 2177, 2488, 2632, 2914, 4354, 5828, 8708, 9641, 10199, 11656, 14617, 17416, 19282, 20398, 29234, 38564, 40796, 58468, 67487, 77128, 81592, 102319, 116936, 134974, 204638, 269948, 409276, 453127, 539896, 818552, 906254, 1812508, 3171889, 3625016, 6343778, 12687556, 25375112]

約数ペア:

[(1, 25375112), (2, 12687556), (4, 6343778), (7, 3625016), (8, 3171889), (14, 1812508), (28, 906254), (31, 818552), (47, 539896), (56, 453127), (62, 409276), (94, 269948), (124, 204638), (188, 134974), (217, 116936), (248, 102319), (311, 81592), (329, 77128), (376, 67487), (434, 58468), (622, 40796), (658, 38564), (868, 29234), (1244, 20398), (1316, 19282), (1457, 17416), (1736, 14617), (2177, 11656), (2488, 10199), (2632, 9641), (2914, 8708), (4354, 5828)]