25027028

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{347}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 50473920

約数和(自身を除く): 25446892

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 73, 76, 146, 247, 292, 347, 494, 694, 949, 988, 1387, 1388, 1898, 2774, 3796, 4511, 5548, 6593, 9022, 13186, 18031, 18044, 25331, 26372, 36062, 50662, 72124, 85709, 101324, 171418, 329303, 342836, 481289, 658606, 962578, 1317212, 1925156, 6256757, 12513514, 25027028]

約数ペア:

[(1, 25027028), (2, 12513514), (4, 6256757), (13, 1925156), (19, 1317212), (26, 962578), (38, 658606), (52, 481289), (73, 342836), (76, 329303), (146, 171418), (247, 101324), (292, 85709), (347, 72124), (494, 50662), (694, 36062), (949, 26372), (988, 25331), (1387, 18044), (1388, 18031), (1898, 13186), (2774, 9022), (3796, 6593), (4511, 5548)]