397960368

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{739}}^1\times {\mathrm{863}}^1$

素因数の和:1626

約数の個数: 80

約数和(自身を含む): 1109928960

約数和(自身を除く): 711968592

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 739, 863, 1478, 1726, 2217, 2589, 2956, 3452, 4434, 5178, 5912, 6904, 8868, 9607, 10356, 11219, 11824, 13808, 17736, 19214, 20712, 22438, 28821, 33657, 35472, 38428, 41424, 44876, 57642, 67314, 76856, 89752, 115284, 134628, 153712, 179504, 230568, 269256, 461136, 538512, 637757, 1275514, 1913271, 2551028, 3826542, 5102056, 7653084, 8290841, 10204112, 15306168, 16581682, 24872523, 30612336, 33163364, 49745046, 66326728, 99490092, 132653456, 198980184, 397960368]

約数ペア:

[(1, 397960368), (2, 198980184), (3, 132653456), (4, 99490092), (6, 66326728), (8, 49745046), (12, 33163364), (13, 30612336), (16, 24872523), (24, 16581682), (26, 15306168), (39, 10204112), (48, 8290841), (52, 7653084), (78, 5102056), (104, 3826542), (156, 2551028), (208, 1913271), (312, 1275514), (624, 637757), (739, 538512), (863, 461136), (1478, 269256), (1726, 230568), (2217, 179504), (2589, 153712), (2956, 134628), (3452, 115284), (4434, 89752), (5178, 76856), (5912, 67314), (6904, 57642), (8868, 44876), (9607, 41424), (10356, 38428), (11219, 35472), (11824, 33657), (13808, 28821), (17736, 22438), (19214, 20712)]