28942788

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{7331}}^1$

素因数の和:7392

約数の個数: 48

約数和(自身を含む): 78833664

約数和(自身を除く): 49890876

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 84, 94, 141, 188, 282, 329, 564, 658, 987, 1316, 1974, 3948, 7331, 14662, 21993, 29324, 43986, 51317, 87972, 102634, 153951, 205268, 307902, 344557, 615804, 689114, 1033671, 1378228, 2067342, 2411899, 4134684, 4823798, 7235697, 9647596, 14471394, 28942788]

約数ペア:

[(1, 28942788), (2, 14471394), (3, 9647596), (4, 7235697), (6, 4823798), (7, 4134684), (12, 2411899), (14, 2067342), (21, 1378228), (28, 1033671), (42, 689114), (47, 615804), (84, 344557), (94, 307902), (141, 205268), (188, 153951), (282, 102634), (329, 87972), (564, 51317), (658, 43986), (987, 29324), (1316, 21993), (1974, 14662), (3948, 7331)]