1666808

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:108

約数の個数: 64

約数和(自身を含む): 3870720

約数和(自身を除く): 2203912

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 31, 44, 47, 52, 62, 88, 94, 104, 124, 143, 188, 248, 286, 341, 376, 403, 517, 572, 611, 682, 806, 1034, 1144, 1222, 1364, 1457, 1612, 2068, 2444, 2728, 2914, 3224, 4136, 4433, 4888, 5828, 6721, 8866, 11656, 13442, 16027, 17732, 18941, 26884, 32054, 35464, 37882, 53768, 64108, 75764, 128216, 151528, 208351, 416702, 833404, 1666808]

約数ペア:

[(1, 1666808), (2, 833404), (4, 416702), (8, 208351), (11, 151528), (13, 128216), (22, 75764), (26, 64108), (31, 53768), (44, 37882), (47, 35464), (52, 32054), (62, 26884), (88, 18941), (94, 17732), (104, 16027), (124, 13442), (143, 11656), (188, 8866), (248, 6721), (286, 5828), (341, 4888), (376, 4433), (403, 4136), (517, 3224), (572, 2914), (611, 2728), (682, 2444), (806, 2068), (1034, 1612), (1144, 1457), (1222, 1364)]