291380418

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:412

約数の個数: 96

約数和(自身を含む): 738017280

約数和(自身を除く): 446636862

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 127, 131, 139, 254, 262, 278, 381, 393, 417, 762, 786, 834, 889, 917, 973, 1143, 1179, 1251, 1778, 1834, 1946, 2286, 2358, 2502, 2667, 2751, 2919, 5334, 5502, 5838, 8001, 8253, 8757, 16002, 16506, 16637, 17514, 17653, 18209, 33274, 35306, 36418, 49911, 52959, 54627, 99822, 105918, 109254, 116459, 123571, 127463, 149733, 158877, 163881, 232918, 247142, 254926, 299466, 317754, 327762, 349377, 370713, 382389, 698754, 741426, 764778, 1048131, 1112139, 1147167, 2096262, 2224278, 2294334, 2312543, 4625086, 6937629, 13875258, 16187801, 20812887, 32375602, 41625774, 48563403, 97126806, 145690209, 291380418]

約数ペア:

[(1, 291380418), (2, 145690209), (3, 97126806), (6, 48563403), (7, 41625774), (9, 32375602), (14, 20812887), (18, 16187801), (21, 13875258), (42, 6937629), (63, 4625086), (126, 2312543), (127, 2294334), (131, 2224278), (139, 2096262), (254, 1147167), (262, 1112139), (278, 1048131), (381, 764778), (393, 741426), (417, 698754), (762, 382389), (786, 370713), (834, 349377), (889, 327762), (917, 317754), (973, 299466), (1143, 254926), (1179, 247142), (1251, 232918), (1778, 163881), (1834, 158877), (1946, 149733), (2286, 127463), (2358, 123571), (2502, 116459), (2667, 109254), (2751, 105918), (2919, 99822), (5334, 54627), (5502, 52959), (5838, 49911), (8001, 36418), (8253, 35306), (8757, 33274), (16002, 18209), (16506, 17653), (16637, 17514)]