81065894

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:262

約数の個数: 96

約数和(自身を含む): 170644320

約数和(自身を除く): 89578426

約数列:

[1, 2, 7, 13, 14, 17, 19, 26, 34, 38, 49, 91, 98, 119, 133, 182, 197, 221, 238, 247, 266, 323, 394, 442, 494, 637, 646, 833, 931, 1274, 1379, 1547, 1666, 1729, 1862, 2261, 2561, 2758, 3094, 3349, 3458, 3743, 4199, 4522, 5122, 6698, 7486, 8398, 9653, 10829, 12103, 15827, 17927, 19306, 21658, 23443, 24206, 26201, 29393, 31654, 35854, 43537, 46886, 48659, 52402, 58786, 63631, 87074, 97318, 125489, 127262, 164101, 183407, 205751, 250978, 304759, 328202, 340613, 366814, 411502, 445417, 609518, 681226, 827203, 890834, 1654406, 2133313, 2384291, 3117919, 4266626, 4768582, 5790421, 6235838, 11580842, 40532947, 81065894]

約数ペア:

[(1, 81065894), (2, 40532947), (7, 11580842), (13, 6235838), (14, 5790421), (17, 4768582), (19, 4266626), (26, 3117919), (34, 2384291), (38, 2133313), (49, 1654406), (91, 890834), (98, 827203), (119, 681226), (133, 609518), (182, 445417), (197, 411502), (221, 366814), (238, 340613), (247, 328202), (266, 304759), (323, 250978), (394, 205751), (442, 183407), (494, 164101), (637, 127262), (646, 125489), (833, 97318), (931, 87074), (1274, 63631), (1379, 58786), (1547, 52402), (1666, 48659), (1729, 46886), (1862, 43537), (2261, 35854), (2561, 31654), (2758, 29393), (3094, 26201), (3349, 24206), (3458, 23443), (3743, 21658), (4199, 19306), (4522, 17927), (5122, 15827), (6698, 12103), (7486, 10829), (8398, 9653)]