8268428

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 17332224

約数和(自身を除く): 9063796

約数列:

[1, 2, 4, 7, 14, 28, 47, 61, 94, 103, 122, 188, 206, 244, 329, 412, 427, 658, 721, 854, 1316, 1442, 1708, 2867, 2884, 4841, 5734, 6283, 9682, 11468, 12566, 19364, 20069, 25132, 33887, 40138, 43981, 67774, 80276, 87962, 135548, 175924, 295301, 590602, 1181204, 2067107, 4134214, 8268428]

約数ペア:

[(1, 8268428), (2, 4134214), (4, 2067107), (7, 1181204), (14, 590602), (28, 295301), (47, 175924), (61, 135548), (94, 87962), (103, 80276), (122, 67774), (188, 43981), (206, 40138), (244, 33887), (329, 25132), (412, 20069), (427, 19364), (658, 12566), (721, 11468), (854, 9682), (1316, 6283), (1442, 5734), (1708, 4841), (2867, 2884)]