81151798

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:301

約数の個数: 64

約数和(自身を含む): 156764160

約数和(自身を除く): 75612362

約数列:

[1, 2, 7, 13, 14, 26, 47, 53, 91, 94, 106, 179, 182, 329, 358, 371, 611, 658, 689, 742, 1222, 1253, 1378, 2327, 2491, 2506, 4277, 4654, 4823, 4982, 8413, 8554, 9487, 9646, 16289, 16826, 17437, 18974, 32383, 32578, 34874, 58891, 64766, 66409, 109369, 117782, 123331, 132818, 218738, 226681, 246662, 445889, 453362, 765583, 863317, 891778, 1531166, 1726634, 3121223, 5796557, 6242446, 11593114, 40575899, 81151798]

約数ペア:

[(1, 81151798), (2, 40575899), (7, 11593114), (13, 6242446), (14, 5796557), (26, 3121223), (47, 1726634), (53, 1531166), (91, 891778), (94, 863317), (106, 765583), (179, 453362), (182, 445889), (329, 246662), (358, 226681), (371, 218738), (611, 132818), (658, 123331), (689, 117782), (742, 109369), (1222, 66409), (1253, 64766), (1378, 58891), (2327, 34874), (2491, 32578), (2506, 32383), (4277, 18974), (4654, 17437), (4823, 16826), (4982, 16289), (8413, 9646), (8554, 9487)]