258494964

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:310

約数の個数: 144

約数和(自身を含む): 757532160

約数和(自身を除く): 499037196

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 131, 139, 156, 169, 182, 262, 273, 278, 338, 364, 393, 417, 507, 524, 546, 556, 676, 786, 834, 917, 973, 1014, 1092, 1183, 1572, 1668, 1703, 1807, 1834, 1946, 2028, 2366, 2751, 2919, 3406, 3549, 3614, 3668, 3892, 4732, 5109, 5421, 5502, 5838, 6812, 7098, 7228, 10218, 10842, 11004, 11676, 11921, 12649, 14196, 18209, 20436, 21684, 22139, 23491, 23842, 25298, 35763, 36418, 37947, 44278, 46982, 47684, 50596, 54627, 66417, 70473, 71526, 72836, 75894, 88556, 93964, 109254, 127463, 132834, 140946, 143052, 151788, 154973, 164437, 218508, 236717, 254926, 265668, 281892, 309946, 328874, 382389, 464919, 473434, 493311, 509852, 619892, 657748, 710151, 764778, 929838, 946868, 986622, 1420302, 1529556, 1657019, 1859676, 1973244, 2840604, 3077321, 3314038, 4971057, 6154642, 6628076, 9231963, 9942114, 12309284, 18463926, 19884228, 21541247, 36927852, 43082494, 64623741, 86164988, 129247482, 258494964]

約数ペア:

[(1, 258494964), (2, 129247482), (3, 86164988), (4, 64623741), (6, 43082494), (7, 36927852), (12, 21541247), (13, 19884228), (14, 18463926), (21, 12309284), (26, 9942114), (28, 9231963), (39, 6628076), (42, 6154642), (52, 4971057), (78, 3314038), (84, 3077321), (91, 2840604), (131, 1973244), (139, 1859676), (156, 1657019), (169, 1529556), (182, 1420302), (262, 986622), (273, 946868), (278, 929838), (338, 764778), (364, 710151), (393, 657748), (417, 619892), (507, 509852), (524, 493311), (546, 473434), (556, 464919), (676, 382389), (786, 328874), (834, 309946), (917, 281892), (973, 265668), (1014, 254926), (1092, 236717), (1183, 218508), (1572, 164437), (1668, 154973), (1703, 151788), (1807, 143052), (1834, 140946), (1946, 132834), (2028, 127463), (2366, 109254), (2751, 93964), (2919, 88556), (3406, 75894), (3549, 72836), (3614, 71526), (3668, 70473), (3892, 66417), (4732, 54627), (5109, 50596), (5421, 47684), (5502, 46982), (5838, 44278), (6812, 37947), (7098, 36418), (7228, 35763), (10218, 25298), (10842, 23842), (11004, 23491), (11676, 22139), (11921, 21684), (12649, 20436), (14196, 18209)]