407469808

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{621143}}^1$

素因数の和:621192

約数の個数: 20

約数和(自身を含む): 808729488

約数和(自身を除く): 401259680

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 621143, 1242286, 2484572, 4969144, 9938288, 25466863, 50933726, 101867452, 203734904, 407469808]

約数ペア:

[(1, 407469808), (2, 203734904), (4, 101867452), (8, 50933726), (16, 25466863), (41, 9938288), (82, 4969144), (164, 2484572), (328, 1242286), (656, 621143)]