25738388

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 51744000

約数和(自身を除く): 26005612

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 109, 218, 239, 247, 436, 478, 494, 956, 988, 1417, 2071, 2834, 3107, 4142, 4541, 5668, 6214, 8284, 9082, 12428, 18164, 26051, 26923, 52102, 53846, 59033, 104204, 107692, 118066, 236132, 338663, 494969, 677326, 989938, 1354652, 1979876, 6434597, 12869194, 25738388]

約数ペア:

[(1, 25738388), (2, 12869194), (4, 6434597), (13, 1979876), (19, 1354652), (26, 989938), (38, 677326), (52, 494969), (76, 338663), (109, 236132), (218, 118066), (239, 107692), (247, 104204), (436, 59033), (478, 53846), (494, 52102), (956, 26923), (988, 26051), (1417, 18164), (2071, 12428), (2834, 9082), (3107, 8284), (4142, 6214), (4541, 5668)]