1978517268

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{3491}}^1$

素因数の和:3694

約数の個数: 144

約数和(自身を含む): 6192740736

約数和(自身を除く): 4214223468

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 173, 182, 234, 252, 273, 346, 364, 468, 519, 546, 692, 819, 1038, 1092, 1211, 1557, 1638, 2076, 2249, 2422, 3114, 3276, 3491, 3633, 4498, 4844, 6228, 6747, 6982, 7266, 8996, 10473, 10899, 13494, 13964, 14532, 15743, 20241, 20946, 21798, 24437, 26988, 31419, 31486, 40482, 41892, 43596, 45383, 47229, 48874, 62838, 62972, 73311, 80964, 90766, 94458, 97748, 125676, 136149, 141687, 146622, 181532, 188916, 219933, 272298, 283374, 293244, 317681, 408447, 439866, 544596, 566748, 603943, 635362, 816894, 879732, 953043, 1207886, 1270724, 1633788, 1811829, 1906086, 2415772, 2859129, 3623658, 3812172, 4227601, 5435487, 5718258, 7247316, 7851259, 8455202, 10870974, 11436516, 12682803, 15702518, 16910404, 21741948, 23553777, 25365606, 31405036, 38048409, 47107554, 50731212, 54958813, 70661331, 76096818, 94215108, 109917626, 141322662, 152193636, 164876439, 219835252, 282645324, 329752878, 494629317, 659505756, 989258634, 1978517268]

約数ペア:

[(1, 1978517268), (2, 989258634), (3, 659505756), (4, 494629317), (6, 329752878), (7, 282645324), (9, 219835252), (12, 164876439), (13, 152193636), (14, 141322662), (18, 109917626), (21, 94215108), (26, 76096818), (28, 70661331), (36, 54958813), (39, 50731212), (42, 47107554), (52, 38048409), (63, 31405036), (78, 25365606), (84, 23553777), (91, 21741948), (117, 16910404), (126, 15702518), (156, 12682803), (173, 11436516), (182, 10870974), (234, 8455202), (252, 7851259), (273, 7247316), (346, 5718258), (364, 5435487), (468, 4227601), (519, 3812172), (546, 3623658), (692, 2859129), (819, 2415772), (1038, 1906086), (1092, 1811829), (1211, 1633788), (1557, 1270724), (1638, 1207886), (2076, 953043), (2249, 879732), (2422, 816894), (3114, 635362), (3276, 603943), (3491, 566748), (3633, 544596), (4498, 439866), (4844, 408447), (6228, 317681), (6747, 293244), (6982, 283374), (7266, 272298), (8996, 219933), (10473, 188916), (10899, 181532), (13494, 146622), (13964, 141687), (14532, 136149), (15743, 125676), (20241, 97748), (20946, 94458), (21798, 90766), (24437, 80964), (26988, 73311), (31419, 62972), (31486, 62838), (40482, 48874), (41892, 47229), (43596, 45383)]