278231436

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1831}}^1$

素因数の和:1921

約数の個数: 120

約数和(自身を含む): 844126976

約数和(自身を除く): 565895540

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 67, 81, 84, 108, 126, 134, 162, 189, 201, 252, 268, 324, 378, 402, 469, 567, 603, 756, 804, 938, 1134, 1206, 1407, 1809, 1831, 1876, 2268, 2412, 2814, 3618, 3662, 4221, 5427, 5493, 5628, 7236, 7324, 8442, 10854, 10986, 12663, 12817, 16479, 16884, 21708, 21972, 25326, 25634, 32958, 37989, 38451, 49437, 50652, 51268, 65916, 75978, 76902, 98874, 115353, 122677, 148311, 151956, 153804, 197748, 230706, 245354, 296622, 346059, 368031, 461412, 490708, 593244, 692118, 736062, 858739, 1038177, 1104093, 1384236, 1472124, 1717478, 2076354, 2208186, 2576217, 3312279, 3434956, 4152708, 4416372, 5152434, 6624558, 7728651, 9936837, 10304868, 13249116, 15457302, 19873674, 23185953, 30914604, 39747348, 46371906, 69557859, 92743812, 139115718, 278231436]

約数ペア:

[(1, 278231436), (2, 139115718), (3, 92743812), (4, 69557859), (6, 46371906), (7, 39747348), (9, 30914604), (12, 23185953), (14, 19873674), (18, 15457302), (21, 13249116), (27, 10304868), (28, 9936837), (36, 7728651), (42, 6624558), (54, 5152434), (63, 4416372), (67, 4152708), (81, 3434956), (84, 3312279), (108, 2576217), (126, 2208186), (134, 2076354), (162, 1717478), (189, 1472124), (201, 1384236), (252, 1104093), (268, 1038177), (324, 858739), (378, 736062), (402, 692118), (469, 593244), (567, 490708), (603, 461412), (756, 368031), (804, 346059), (938, 296622), (1134, 245354), (1206, 230706), (1407, 197748), (1809, 153804), (1831, 151956), (1876, 148311), (2268, 122677), (2412, 115353), (2814, 98874), (3618, 76902), (3662, 75978), (4221, 65916), (5427, 51268), (5493, 50652), (5628, 49437), (7236, 38451), (7324, 37989), (8442, 32958), (10854, 25634), (10986, 25326), (12663, 21972), (12817, 21708), (16479, 16884)]