81668884

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2663}}^1$

素因数の和:2736

約数の個数: 48

約数和(自身を含む): 169174656

約数和(自身を除く): 87505772

約数列:

[1, 2, 4, 11, 17, 22, 34, 41, 44, 68, 82, 164, 187, 374, 451, 697, 748, 902, 1394, 1804, 2663, 2788, 5326, 7667, 10652, 15334, 29293, 30668, 45271, 58586, 90542, 109183, 117172, 181084, 218366, 436732, 497981, 995962, 1201013, 1856111, 1991924, 2402026, 3712222, 4804052, 7424444, 20417221, 40834442, 81668884]

約数ペア:

[(1, 81668884), (2, 40834442), (4, 20417221), (11, 7424444), (17, 4804052), (22, 3712222), (34, 2402026), (41, 1991924), (44, 1856111), (68, 1201013), (82, 995962), (164, 497981), (187, 436732), (374, 218366), (451, 181084), (697, 117172), (748, 109183), (902, 90542), (1394, 58586), (1804, 45271), (2663, 30668), (2788, 29293), (5326, 15334), (7667, 10652)]