15553804

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 32514048

約数和(自身を除く): 16960244

約数列:

[1, 2, 4, 7, 14, 28, 47, 53, 94, 106, 188, 212, 223, 329, 371, 446, 658, 742, 892, 1316, 1484, 1561, 2491, 3122, 4982, 6244, 9964, 10481, 11819, 17437, 20962, 23638, 34874, 41924, 47276, 69748, 73367, 82733, 146734, 165466, 293468, 330932, 555493, 1110986, 2221972, 3888451, 7776902, 15553804]

約数ペア:

[(1, 15553804), (2, 7776902), (4, 3888451), (7, 2221972), (14, 1110986), (28, 555493), (47, 330932), (53, 293468), (94, 165466), (106, 146734), (188, 82733), (212, 73367), (223, 69748), (329, 47276), (371, 41924), (446, 34874), (658, 23638), (742, 20962), (892, 17437), (1316, 11819), (1484, 10481), (1561, 9964), (2491, 6244), (3122, 4982)]