668996874

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1249}}^1$

素因数の和:1389

約数の個数: 128

約数和(自身を含む): 1848000000

約数和(自身を除く): 1179003126

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 91, 109, 117, 126, 182, 189, 218, 234, 273, 327, 351, 378, 546, 654, 702, 763, 819, 981, 1249, 1417, 1526, 1638, 1962, 2289, 2457, 2498, 2834, 2943, 3747, 4251, 4578, 4914, 5886, 6867, 7494, 8502, 8743, 9919, 11241, 12753, 13734, 16237, 17486, 19838, 20601, 22482, 25506, 26229, 29757, 32474, 33723, 38259, 41202, 48711, 52458, 59514, 67446, 76518, 78687, 89271, 97422, 113659, 136141, 146133, 157374, 178542, 227318, 236061, 267813, 272282, 292266, 340977, 408423, 438399, 472122, 535626, 681954, 816846, 876798, 952987, 1022931, 1225269, 1769833, 1905974, 2045862, 2450538, 2858961, 3068793, 3539666, 3675807, 5309499, 5717922, 6137586, 7351614, 8576883, 10618998, 12388831, 15928497, 17153766, 24777662, 25730649, 31856994, 37166493, 47785491, 51461298, 74332986, 95570982, 111499479, 222998958, 334498437, 668996874]

約数ペア:

[(1, 668996874), (2, 334498437), (3, 222998958), (6, 111499479), (7, 95570982), (9, 74332986), (13, 51461298), (14, 47785491), (18, 37166493), (21, 31856994), (26, 25730649), (27, 24777662), (39, 17153766), (42, 15928497), (54, 12388831), (63, 10618998), (78, 8576883), (91, 7351614), (109, 6137586), (117, 5717922), (126, 5309499), (182, 3675807), (189, 3539666), (218, 3068793), (234, 2858961), (273, 2450538), (327, 2045862), (351, 1905974), (378, 1769833), (546, 1225269), (654, 1022931), (702, 952987), (763, 876798), (819, 816846), (981, 681954), (1249, 535626), (1417, 472122), (1526, 438399), (1638, 408423), (1962, 340977), (2289, 292266), (2457, 272282), (2498, 267813), (2834, 236061), (2943, 227318), (3747, 178542), (4251, 157374), (4578, 146133), (4914, 136141), (5886, 113659), (6867, 97422), (7494, 89271), (8502, 78687), (8743, 76518), (9919, 67446), (11241, 59514), (12753, 52458), (13734, 48711), (16237, 41202), (17486, 38259), (19838, 33723), (20601, 32474), (22482, 29757), (25506, 26229)]