123340568

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{571}}^1$

素因数の和:688

約数の個数: 64

約数和(自身を含む): 261381120

約数和(自身を除く): 138040552

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 67, 104, 124, 134, 248, 268, 403, 536, 571, 806, 871, 1142, 1612, 1742, 2077, 2284, 3224, 3484, 4154, 4568, 6968, 7423, 8308, 14846, 16616, 17701, 27001, 29692, 35402, 38257, 54002, 59384, 70804, 76514, 108004, 141608, 153028, 216008, 230113, 306056, 460226, 497341, 920452, 994682, 1185967, 1840904, 1989364, 2371934, 3978728, 4743868, 9487736, 15417571, 30835142, 61670284, 123340568]

約数ペア:

[(1, 123340568), (2, 61670284), (4, 30835142), (8, 15417571), (13, 9487736), (26, 4743868), (31, 3978728), (52, 2371934), (62, 1989364), (67, 1840904), (104, 1185967), (124, 994682), (134, 920452), (248, 497341), (268, 460226), (403, 306056), (536, 230113), (571, 216008), (806, 153028), (871, 141608), (1142, 108004), (1612, 76514), (1742, 70804), (2077, 59384), (2284, 54002), (3224, 38257), (3484, 35402), (4154, 29692), (4568, 27001), (6968, 17701), (7423, 16616), (8308, 14846)]