343981456

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7621}}^1$

素因数の和:7680

約数の個数: 80

約数和(自身を含む): 846834688

約数和(自身を除く): 502853232

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 52, 56, 62, 91, 104, 112, 124, 182, 208, 217, 248, 364, 403, 434, 496, 728, 806, 868, 1456, 1612, 1736, 2821, 3224, 3472, 5642, 6448, 7621, 11284, 15242, 22568, 30484, 45136, 53347, 60968, 99073, 106694, 121936, 198146, 213388, 236251, 396292, 426776, 472502, 693511, 792584, 853552, 945004, 1387022, 1585168, 1653757, 1890008, 2774044, 3071263, 3307514, 3780016, 5548088, 6142526, 6615028, 11096176, 12285052, 13230056, 21498841, 24570104, 26460112, 42997682, 49140208, 85995364, 171990728, 343981456]

約数ペア:

[(1, 343981456), (2, 171990728), (4, 85995364), (7, 49140208), (8, 42997682), (13, 26460112), (14, 24570104), (16, 21498841), (26, 13230056), (28, 12285052), (31, 11096176), (52, 6615028), (56, 6142526), (62, 5548088), (91, 3780016), (104, 3307514), (112, 3071263), (124, 2774044), (182, 1890008), (208, 1653757), (217, 1585168), (248, 1387022), (364, 945004), (403, 853552), (434, 792584), (496, 693511), (728, 472502), (806, 426776), (868, 396292), (1456, 236251), (1612, 213388), (1736, 198146), (2821, 121936), (3224, 106694), (3472, 99073), (5642, 60968), (6448, 53347), (7621, 45136), (11284, 30484), (15242, 22568)]