256610718

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3821}}^1$

素因数の和:3890

約数の個数: 96

約数和(自身を含む): 701168832

約数和(自身を除く): 444558114

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 41, 42, 63, 78, 82, 91, 117, 123, 126, 182, 234, 246, 273, 287, 369, 533, 546, 574, 738, 819, 861, 1066, 1599, 1638, 1722, 2583, 3198, 3731, 3821, 4797, 5166, 7462, 7642, 9594, 11193, 11463, 22386, 22926, 26747, 33579, 34389, 49673, 53494, 67158, 68778, 80241, 99346, 149019, 156661, 160482, 240723, 298038, 313322, 347711, 447057, 469983, 481446, 695422, 894114, 939966, 1043133, 1096627, 1409949, 2036593, 2086266, 2193254, 2819898, 3129399, 3289881, 4073186, 6109779, 6258798, 6579762, 9869643, 12219558, 14256151, 18329337, 19739286, 28512302, 36658674, 42768453, 85536906, 128305359, 256610718]

約数ペア:

[(1, 256610718), (2, 128305359), (3, 85536906), (6, 42768453), (7, 36658674), (9, 28512302), (13, 19739286), (14, 18329337), (18, 14256151), (21, 12219558), (26, 9869643), (39, 6579762), (41, 6258798), (42, 6109779), (63, 4073186), (78, 3289881), (82, 3129399), (91, 2819898), (117, 2193254), (123, 2086266), (126, 2036593), (182, 1409949), (234, 1096627), (246, 1043133), (273, 939966), (287, 894114), (369, 695422), (533, 481446), (546, 469983), (574, 447057), (738, 347711), (819, 313322), (861, 298038), (1066, 240723), (1599, 160482), (1638, 156661), (1722, 149019), (2583, 99346), (3198, 80241), (3731, 68778), (3821, 67158), (4797, 53494), (5166, 49673), (7462, 34389), (7642, 33579), (9594, 26747), (11193, 22926), (11463, 22386)]