406781856

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{108649}}^1$

素因数の和:108678

約数の個数: 72

約数和(自身を含む): 1245780900

約数和(自身を除く): 838999044

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 108649, 217298, 325947, 434596, 651894, 869192, 977841, 1303788, 1412437, 1738384, 1955682, 2607576, 2824874, 3476768, 3911364, 4237311, 5215152, 5649748, 7822728, 8474622, 10430304, 11299496, 12711933, 15645456, 16949244, 22598992, 25423866, 31290912, 33898488, 45197984, 50847732, 67796976, 101695464, 135593952, 203390928, 406781856]

約数ペア:

[(1, 406781856), (2, 203390928), (3, 135593952), (4, 101695464), (6, 67796976), (8, 50847732), (9, 45197984), (12, 33898488), (13, 31290912), (16, 25423866), (18, 22598992), (24, 16949244), (26, 15645456), (32, 12711933), (36, 11299496), (39, 10430304), (48, 8474622), (52, 7822728), (72, 5649748), (78, 5215152), (96, 4237311), (104, 3911364), (117, 3476768), (144, 2824874), (156, 2607576), (208, 1955682), (234, 1738384), (288, 1412437), (312, 1303788), (416, 977841), (468, 869192), (624, 651894), (936, 434596), (1248, 325947), (1872, 217298), (3744, 108649)]