669424

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:197

約数の個数: 40

約数和(自身を含む): 1527680

約数和(自身を除く): 858256

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 86, 112, 139, 172, 278, 301, 344, 556, 602, 688, 973, 1112, 1204, 1946, 2224, 2408, 3892, 4816, 5977, 7784, 11954, 15568, 23908, 41839, 47816, 83678, 95632, 167356, 334712, 669424]

約数ペア:

[(1, 669424), (2, 334712), (4, 167356), (7, 95632), (8, 83678), (14, 47816), (16, 41839), (28, 23908), (43, 15568), (56, 11954), (86, 7784), (112, 5977), (139, 4816), (172, 3892), (278, 2408), (301, 2224), (344, 1946), (556, 1204), (602, 1112), (688, 973)]