81371556

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{163}}^1\times {\mathrm{283}}^1$

素因数の和:470

約数の個数: 108

約数和(自身を含む): 241589712

約数和(自身を除く): 160218156

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 163, 196, 252, 283, 294, 326, 441, 489, 566, 588, 652, 849, 882, 978, 1132, 1141, 1467, 1698, 1764, 1956, 1981, 2282, 2547, 2934, 3396, 3423, 3962, 4564, 5094, 5868, 5943, 6846, 7924, 7987, 10188, 10269, 11886, 13692, 13867, 15974, 17829, 20538, 23772, 23961, 27734, 31948, 35658, 41076, 41601, 46129, 47922, 55468, 71316, 71883, 83202, 92258, 95844, 124803, 138387, 143766, 166404, 184516, 249606, 276774, 287532, 322903, 415161, 499212, 553548, 645806, 830322, 968709, 1291612, 1660644, 1937418, 2260321, 2906127, 3874836, 4520642, 5812254, 6780963, 9041284, 11624508, 13561926, 20342889, 27123852, 40685778, 81371556]

約数ペア:

[(1, 81371556), (2, 40685778), (3, 27123852), (4, 20342889), (6, 13561926), (7, 11624508), (9, 9041284), (12, 6780963), (14, 5812254), (18, 4520642), (21, 3874836), (28, 2906127), (36, 2260321), (42, 1937418), (49, 1660644), (63, 1291612), (84, 968709), (98, 830322), (126, 645806), (147, 553548), (163, 499212), (196, 415161), (252, 322903), (283, 287532), (294, 276774), (326, 249606), (441, 184516), (489, 166404), (566, 143766), (588, 138387), (652, 124803), (849, 95844), (882, 92258), (978, 83202), (1132, 71883), (1141, 71316), (1467, 55468), (1698, 47922), (1764, 46129), (1956, 41601), (1981, 41076), (2282, 35658), (2547, 31948), (2934, 27734), (3396, 23961), (3423, 23772), (3962, 20538), (4564, 17829), (5094, 15974), (5868, 13867), (5943, 13692), (6846, 11886), (7924, 10269), (7987, 10188)]