256082512

素因数分解:

$2^4\times 7^1\times {\mathrm{421}}^1\times {\mathrm{5431}}^1$

素因数の和:5867

約数の個数: 40

約数和(自身を含む): 568491392

約数和(自身を除く): 312408880

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 421, 842, 1684, 2947, 3368, 5431, 5894, 6736, 10862, 11788, 21724, 23576, 38017, 43448, 47152, 76034, 86896, 152068, 304136, 608272, 2286451, 4572902, 9145804, 16005157, 18291608, 32010314, 36583216, 64020628, 128041256, 256082512]

約数ペア:

[(1, 256082512), (2, 128041256), (4, 64020628), (7, 36583216), (8, 32010314), (14, 18291608), (16, 16005157), (28, 9145804), (56, 4572902), (112, 2286451), (421, 608272), (842, 304136), (1684, 152068), (2947, 86896), (3368, 76034), (5431, 47152), (5894, 43448), (6736, 38017), (10862, 23576), (11788, 21724)]