317860112

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{640847}}^1$

素因数の和:640886

約数の個数: 20

約数和(自身を含む): 635721216

約数和(自身を除く): 317861104

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 640847, 1281694, 2563388, 5126776, 10253552, 19866257, 39732514, 79465028, 158930056, 317860112]

約数ペア:

[(1, 317860112), (2, 158930056), (4, 79465028), (8, 39732514), (16, 19866257), (31, 10253552), (62, 5126776), (124, 2563388), (248, 1281694), (496, 640847)]