209481168

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{863}}^1$

素因数の和:1276

約数の個数: 80

約数和(自身を含む): 584962560

約数和(自身を除く): 375481392

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 389, 624, 778, 863, 1167, 1556, 1726, 2334, 2589, 3112, 3452, 4668, 5057, 5178, 6224, 6904, 9336, 10114, 10356, 11219, 13808, 15171, 18672, 20228, 20712, 22438, 30342, 33657, 40456, 41424, 44876, 60684, 67314, 80912, 89752, 121368, 134628, 179504, 242736, 269256, 335707, 538512, 671414, 1007121, 1342828, 2014242, 2685656, 4028484, 4364191, 5371312, 8056968, 8728382, 13092573, 16113936, 17456764, 26185146, 34913528, 52370292, 69827056, 104740584, 209481168]

約数ペア:

[(1, 209481168), (2, 104740584), (3, 69827056), (4, 52370292), (6, 34913528), (8, 26185146), (12, 17456764), (13, 16113936), (16, 13092573), (24, 8728382), (26, 8056968), (39, 5371312), (48, 4364191), (52, 4028484), (78, 2685656), (104, 2014242), (156, 1342828), (208, 1007121), (312, 671414), (389, 538512), (624, 335707), (778, 269256), (863, 242736), (1167, 179504), (1556, 134628), (1726, 121368), (2334, 89752), (2589, 80912), (3112, 67314), (3452, 60684), (4668, 44876), (5057, 41424), (5178, 40456), (6224, 33657), (6904, 30342), (9336, 22438), (10114, 20712), (10356, 20228), (11219, 18672), (13808, 15171)]