881660494

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:135

約数の個数: 128

約数和(自身を含む): 1758153600

約数和(自身を除く): 876493106

約数列:

[1, 2, 11, 13, 17, 22, 26, 29, 34, 37, 58, 74, 143, 169, 187, 221, 286, 319, 338, 374, 377, 407, 442, 481, 493, 629, 638, 754, 814, 962, 986, 1073, 1258, 1859, 2146, 2197, 2431, 2873, 3718, 4147, 4394, 4862, 4901, 5291, 5423, 5746, 6253, 6409, 6919, 8177, 8294, 9802, 10582, 10846, 11803, 12506, 12818, 13838, 13949, 16354, 18241, 23606, 24167, 27898, 31603, 36482, 37349, 48334, 53911, 63206, 63713, 68783, 70499, 74698, 81289, 83317, 89947, 106301, 107822, 127426, 137566, 140998, 153439, 162578, 166634, 179894, 181337, 200651, 212602, 237133, 306878, 362674, 401302, 410839, 474266, 700843, 821678, 894179, 916487, 1083121, 1169311, 1381913, 1401686, 1788358, 1832974, 1994707, 2166242, 2338622, 2357381, 2608463, 2763826, 3082729, 3989414, 4714762, 5216926, 6165458, 11914331, 15201043, 23828662, 25931191, 30402086, 33910019, 40075477, 51862382, 67820038, 80150954, 440830247, 881660494]

約数ペア:

[(1, 881660494), (2, 440830247), (11, 80150954), (13, 67820038), (17, 51862382), (22, 40075477), (26, 33910019), (29, 30402086), (34, 25931191), (37, 23828662), (58, 15201043), (74, 11914331), (143, 6165458), (169, 5216926), (187, 4714762), (221, 3989414), (286, 3082729), (319, 2763826), (338, 2608463), (374, 2357381), (377, 2338622), (407, 2166242), (442, 1994707), (481, 1832974), (493, 1788358), (629, 1401686), (638, 1381913), (754, 1169311), (814, 1083121), (962, 916487), (986, 894179), (1073, 821678), (1258, 700843), (1859, 474266), (2146, 410839), (2197, 401302), (2431, 362674), (2873, 306878), (3718, 237133), (4147, 212602), (4394, 200651), (4862, 181337), (4901, 179894), (5291, 166634), (5423, 162578), (5746, 153439), (6253, 140998), (6409, 137566), (6919, 127426), (8177, 107822), (8294, 106301), (9802, 89947), (10582, 83317), (10846, 81289), (11803, 74698), (12506, 70499), (12818, 68783), (13838, 63713), (13949, 63206), (16354, 53911), (18241, 48334), (23606, 37349), (24167, 36482), (27898, 31603)]