1987298404

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{69109}}^1$

素因数の和:69212

約数の個数: 48

約数和(自身を含む): 4334579200

約数和(自身を除く): 2347280796

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 79, 91, 158, 182, 316, 364, 553, 1027, 1106, 2054, 2212, 4108, 7189, 14378, 28756, 69109, 138218, 276436, 483763, 898417, 967526, 1796834, 1935052, 3593668, 5459611, 6288919, 10919222, 12577838, 21838444, 25155676, 38217277, 70974943, 76434554, 141949886, 152869108, 283899772, 496824601, 993649202, 1987298404]

約数ペア:

[(1, 1987298404), (2, 993649202), (4, 496824601), (7, 283899772), (13, 152869108), (14, 141949886), (26, 76434554), (28, 70974943), (52, 38217277), (79, 25155676), (91, 21838444), (158, 12577838), (182, 10919222), (316, 6288919), (364, 5459611), (553, 3593668), (1027, 1935052), (1106, 1796834), (2054, 967526), (2212, 898417), (4108, 483763), (7189, 276436), (14378, 138218), (28756, 69109)]