25238248

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:326

約数の個数: 64

約数和(自身を含む): 56770560

約数和(自身を除く): 31532312

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 47, 56, 86, 94, 172, 188, 223, 301, 329, 344, 376, 446, 602, 658, 892, 1204, 1316, 1561, 1784, 2021, 2408, 2632, 3122, 4042, 6244, 8084, 9589, 10481, 12488, 14147, 16168, 19178, 20962, 28294, 38356, 41924, 56588, 67123, 73367, 76712, 83848, 113176, 134246, 146734, 268492, 293468, 450683, 536984, 586936, 901366, 1802732, 3154781, 3605464, 6309562, 12619124, 25238248]

約数ペア:

[(1, 25238248), (2, 12619124), (4, 6309562), (7, 3605464), (8, 3154781), (14, 1802732), (28, 901366), (43, 586936), (47, 536984), (56, 450683), (86, 293468), (94, 268492), (172, 146734), (188, 134246), (223, 113176), (301, 83848), (329, 76712), (344, 73367), (376, 67123), (446, 56588), (602, 41924), (658, 38356), (892, 28294), (1204, 20962), (1316, 19178), (1561, 16168), (1784, 14147), (2021, 12488), (2408, 10481), (2632, 9589), (3122, 8084), (4042, 6244)]