81769212

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1$

素因数の和:280

約数の個数: 144

約数和(自身を含む): 249500160

約数和(自身を除く): 167730948

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 58, 63, 67, 84, 87, 116, 126, 134, 167, 174, 201, 203, 252, 261, 268, 334, 348, 402, 406, 469, 501, 522, 603, 609, 668, 804, 812, 938, 1002, 1044, 1169, 1206, 1218, 1407, 1503, 1827, 1876, 1943, 2004, 2338, 2412, 2436, 2814, 3006, 3507, 3654, 3886, 4221, 4676, 4843, 5628, 5829, 6012, 7014, 7308, 7772, 8442, 9686, 10521, 11189, 11658, 13601, 14028, 14529, 16884, 17487, 19372, 21042, 22378, 23316, 27202, 29058, 33567, 33901, 34974, 40803, 42084, 43587, 44756, 54404, 58116, 67134, 67802, 69948, 78323, 81606, 87174, 100701, 101703, 122409, 134268, 135604, 156646, 163212, 174348, 201402, 203406, 234969, 244818, 305109, 313292, 324481, 402804, 406812, 469938, 489636, 610218, 648962, 704907, 939876, 973443, 1220436, 1297924, 1409814, 1946886, 2271367, 2819628, 2920329, 3893772, 4542734, 5840658, 6814101, 9085468, 11681316, 13628202, 20442303, 27256404, 40884606, 81769212]

約数ペア:

[(1, 81769212), (2, 40884606), (3, 27256404), (4, 20442303), (6, 13628202), (7, 11681316), (9, 9085468), (12, 6814101), (14, 5840658), (18, 4542734), (21, 3893772), (28, 2920329), (29, 2819628), (36, 2271367), (42, 1946886), (58, 1409814), (63, 1297924), (67, 1220436), (84, 973443), (87, 939876), (116, 704907), (126, 648962), (134, 610218), (167, 489636), (174, 469938), (201, 406812), (203, 402804), (252, 324481), (261, 313292), (268, 305109), (334, 244818), (348, 234969), (402, 203406), (406, 201402), (469, 174348), (501, 163212), (522, 156646), (603, 135604), (609, 134268), (668, 122409), (804, 101703), (812, 100701), (938, 87174), (1002, 81606), (1044, 78323), (1169, 69948), (1206, 67802), (1218, 67134), (1407, 58116), (1503, 54404), (1827, 44756), (1876, 43587), (1943, 42084), (2004, 40803), (2338, 34974), (2412, 33901), (2436, 33567), (2814, 29058), (3006, 27202), (3507, 23316), (3654, 22378), (3886, 21042), (4221, 19372), (4676, 17487), (4843, 16884), (5628, 14529), (5829, 14028), (6012, 13601), (7014, 11658), (7308, 11189), (7772, 10521), (8442, 9686)]