31275776

素因数分解:

$2^8\times 7^1\times {\mathrm{31}}^1\times {\mathrm{563}}^1$

素因数の和:617

約数の個数: 72

約数和(自身を含む): 73780224

約数和(自身を除く): 42504448

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 256, 434, 448, 496, 563, 868, 896, 992, 1126, 1736, 1792, 1984, 2252, 3472, 3941, 3968, 4504, 6944, 7882, 7936, 9008, 13888, 15764, 17453, 18016, 27776, 31528, 34906, 36032, 55552, 63056, 69812, 72064, 122171, 126112, 139624, 144128, 244342, 252224, 279248, 488684, 504448, 558496, 977368, 1008896, 1116992, 1954736, 2233984, 3909472, 4467968, 7818944, 15637888, 31275776]

約数ペア:

[(1, 31275776), (2, 15637888), (4, 7818944), (7, 4467968), (8, 3909472), (14, 2233984), (16, 1954736), (28, 1116992), (31, 1008896), (32, 977368), (56, 558496), (62, 504448), (64, 488684), (112, 279248), (124, 252224), (128, 244342), (217, 144128), (224, 139624), (248, 126112), (256, 122171), (434, 72064), (448, 69812), (496, 63056), (563, 55552), (868, 36032), (896, 34906), (992, 31528), (1126, 27776), (1736, 18016), (1792, 17453), (1984, 15764), (2252, 13888), (3472, 9008), (3941, 7936), (3968, 7882), (4504, 6944)]