521111668

素因数分解:

$2^2\times 7^3\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:163

約数の個数: 144

約数和(自身を含む): 1212534400

約数和(自身を除く): 691422732

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 43, 44, 49, 73, 77, 86, 98, 121, 146, 154, 172, 196, 242, 292, 301, 308, 343, 473, 484, 511, 539, 602, 686, 803, 847, 946, 1022, 1078, 1204, 1372, 1606, 1694, 1892, 2044, 2107, 2156, 3139, 3212, 3311, 3388, 3577, 3773, 4214, 5203, 5621, 5929, 6278, 6622, 7154, 7546, 8428, 8833, 10406, 11242, 11858, 12556, 13244, 14308, 14749, 15092, 17666, 20812, 21973, 22484, 23177, 23716, 25039, 29498, 34529, 35332, 36421, 39347, 41503, 43946, 46354, 50078, 58996, 61831, 69058, 72842, 78694, 83006, 87892, 92708, 100156, 123662, 138116, 145684, 153811, 157388, 162239, 166012, 241703, 247324, 254947, 275429, 307622, 324478, 379819, 432817, 483406, 509894, 550858, 615244, 648956, 759638, 865634, 966812, 1019788, 1076677, 1101716, 1519276, 1691921, 1731268, 1784629, 2153354, 2658733, 3029719, 3383842, 3569258, 4306708, 5317466, 6059438, 6767684, 7138516, 10634932, 11843447, 12118876, 18611131, 23686894, 37222262, 47373788, 74444524, 130277917, 260555834, 521111668]

約数ペア:

[(1, 521111668), (2, 260555834), (4, 130277917), (7, 74444524), (11, 47373788), (14, 37222262), (22, 23686894), (28, 18611131), (43, 12118876), (44, 11843447), (49, 10634932), (73, 7138516), (77, 6767684), (86, 6059438), (98, 5317466), (121, 4306708), (146, 3569258), (154, 3383842), (172, 3029719), (196, 2658733), (242, 2153354), (292, 1784629), (301, 1731268), (308, 1691921), (343, 1519276), (473, 1101716), (484, 1076677), (511, 1019788), (539, 966812), (602, 865634), (686, 759638), (803, 648956), (847, 615244), (946, 550858), (1022, 509894), (1078, 483406), (1204, 432817), (1372, 379819), (1606, 324478), (1694, 307622), (1892, 275429), (2044, 254947), (2107, 247324), (2156, 241703), (3139, 166012), (3212, 162239), (3311, 157388), (3388, 153811), (3577, 145684), (3773, 138116), (4214, 123662), (5203, 100156), (5621, 92708), (5929, 87892), (6278, 83006), (6622, 78694), (7154, 72842), (7546, 69058), (8428, 61831), (8833, 58996), (10406, 50078), (11242, 46354), (11858, 43946), (12556, 41503), (13244, 39347), (14308, 36421), (14749, 35332), (15092, 34529), (17666, 29498), (20812, 25039), (21973, 23716), (22484, 23177)]