129978736

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{477863}}^1$

素因数の和:477888

約数の個数: 20

約数和(自身を含む): 266648112

約数和(自身を除く): 136669376

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 477863, 955726, 1911452, 3822904, 7645808, 8123671, 16247342, 32494684, 64989368, 129978736]

約数ペア:

[(1, 129978736), (2, 64989368), (4, 32494684), (8, 16247342), (16, 8123671), (17, 7645808), (34, 3822904), (68, 1911452), (136, 955726), (272, 477863)]