220954112

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{13921}}^1$

素因数の和:13970

約数の個数: 40

約数和(自身を含む): 455750592

約数和(自身を除く): 234796480

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1984, 3968, 7936, 13921, 15872, 27842, 55684, 111368, 222736, 431551, 445472, 863102, 890944, 1726204, 1781888, 3452408, 3563776, 6904816, 7127552, 13809632, 27619264, 55238528, 110477056, 220954112]

約数ペア:

[(1, 220954112), (2, 110477056), (4, 55238528), (8, 27619264), (16, 13809632), (31, 7127552), (32, 6904816), (62, 3563776), (64, 3452408), (124, 1781888), (128, 1726204), (248, 890944), (256, 863102), (496, 445472), (512, 431551), (992, 222736), (1984, 111368), (3968, 55684), (7936, 27842), (13921, 15872)]