1325809984

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{491}}^1\times {\mathrm{1361}}^1$

素因数の和:1895

約数の個数: 56

約数和(自身を含む): 2723302656

約数和(自身を除く): 1397492672

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 491, 496, 982, 992, 1361, 1964, 1984, 2722, 3928, 5444, 7856, 10888, 15221, 15712, 21776, 30442, 31424, 42191, 43552, 60884, 84382, 87104, 121768, 168764, 243536, 337528, 487072, 668251, 675056, 974144, 1336502, 1350112, 2673004, 2700224, 5346008, 10692016, 20715781, 21384032, 41431562, 42768064, 82863124, 165726248, 331452496, 662904992, 1325809984]

約数ペア:

[(1, 1325809984), (2, 662904992), (4, 331452496), (8, 165726248), (16, 82863124), (31, 42768064), (32, 41431562), (62, 21384032), (64, 20715781), (124, 10692016), (248, 5346008), (491, 2700224), (496, 2673004), (982, 1350112), (992, 1336502), (1361, 974144), (1964, 675056), (1984, 668251), (2722, 487072), (3928, 337528), (5444, 243536), (7856, 168764), (10888, 121768), (15221, 87104), (15712, 84382), (21776, 60884), (30442, 43552), (31424, 42191)]