279468224

素因数分解:

$2^6\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20123}}^1$

素因数の和:20173

約数の個数: 56

約数和(自身を含む): 654271488

約数和(自身を除く): 374803264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 217, 224, 248, 434, 448, 496, 868, 992, 1736, 1984, 3472, 6944, 13888, 20123, 40246, 80492, 140861, 160984, 281722, 321968, 563444, 623813, 643936, 1126888, 1247626, 1287872, 2253776, 2495252, 4366691, 4507552, 4990504, 8733382, 9015104, 9981008, 17466764, 19962016, 34933528, 39924032, 69867056, 139734112, 279468224]

約数ペア:

[(1, 279468224), (2, 139734112), (4, 69867056), (7, 39924032), (8, 34933528), (14, 19962016), (16, 17466764), (28, 9981008), (31, 9015104), (32, 8733382), (56, 4990504), (62, 4507552), (64, 4366691), (112, 2495252), (124, 2253776), (217, 1287872), (224, 1247626), (248, 1126888), (434, 643936), (448, 623813), (496, 563444), (868, 321968), (992, 281722), (1736, 160984), (1984, 140861), (3472, 80492), (6944, 40246), (13888, 20123)]