728208

素因数分解:

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

素因数の和:416

約数の個数: 60

約数和(自身を含む): 2200380

約数和(自身を除く): 1472172

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 389, 468, 624, 778, 936, 1167, 1556, 1872, 2334, 3112, 3501, 4668, 5057, 6224, 7002, 9336, 10114, 14004, 15171, 18672, 20228, 28008, 30342, 40456, 45513, 56016, 60684, 80912, 91026, 121368, 182052, 242736, 364104, 728208]

約数ペア:

[(1, 728208), (2, 364104), (3, 242736), (4, 182052), (6, 121368), (8, 91026), (9, 80912), (12, 60684), (13, 56016), (16, 45513), (18, 40456), (24, 30342), (26, 28008), (36, 20228), (39, 18672), (48, 15171), (52, 14004), (72, 10114), (78, 9336), (104, 7002), (117, 6224), (144, 5057), (156, 4668), (208, 3501), (234, 3112), (312, 2334), (389, 1872), (468, 1556), (624, 1167), (778, 936)]