68390868

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:446

約数の個数: 144

約数和(自身を含む): 209139840

約数和(自身を除く): 140748972

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 23, 26, 28, 39, 42, 46, 49, 52, 69, 78, 84, 91, 92, 98, 138, 147, 156, 161, 182, 196, 273, 276, 294, 299, 322, 364, 389, 483, 546, 588, 598, 637, 644, 778, 897, 966, 1092, 1127, 1167, 1196, 1274, 1556, 1794, 1911, 1932, 2093, 2254, 2334, 2548, 2723, 3381, 3588, 3822, 4186, 4508, 4668, 5057, 5446, 6279, 6762, 7644, 8169, 8372, 8947, 10114, 10892, 12558, 13524, 14651, 15171, 16338, 17894, 19061, 20228, 25116, 26841, 29302, 30342, 32676, 35399, 35788, 38122, 43953, 53682, 57183, 58604, 60684, 62629, 70798, 76244, 87906, 106197, 107364, 114366, 116311, 125258, 141596, 175812, 187887, 212394, 228732, 232622, 247793, 250516, 348933, 375774, 424788, 438403, 465244, 495586, 697866, 743379, 751548, 814177, 876806, 991172, 1315209, 1395732, 1486758, 1628354, 1753612, 2442531, 2630418, 2973516, 3256708, 4885062, 5260836, 5699239, 9770124, 11398478, 17097717, 22796956, 34195434, 68390868]

約数ペア:

[(1, 68390868), (2, 34195434), (3, 22796956), (4, 17097717), (6, 11398478), (7, 9770124), (12, 5699239), (13, 5260836), (14, 4885062), (21, 3256708), (23, 2973516), (26, 2630418), (28, 2442531), (39, 1753612), (42, 1628354), (46, 1486758), (49, 1395732), (52, 1315209), (69, 991172), (78, 876806), (84, 814177), (91, 751548), (92, 743379), (98, 697866), (138, 495586), (147, 465244), (156, 438403), (161, 424788), (182, 375774), (196, 348933), (273, 250516), (276, 247793), (294, 232622), (299, 228732), (322, 212394), (364, 187887), (389, 175812), (483, 141596), (546, 125258), (588, 116311), (598, 114366), (637, 107364), (644, 106197), (778, 87906), (897, 76244), (966, 70798), (1092, 62629), (1127, 60684), (1167, 58604), (1196, 57183), (1274, 53682), (1556, 43953), (1794, 38122), (1911, 35788), (1932, 35399), (2093, 32676), (2254, 30342), (2334, 29302), (2548, 26841), (2723, 25116), (3381, 20228), (3588, 19061), (3822, 17894), (4186, 16338), (4508, 15171), (4668, 14651), (5057, 13524), (5446, 12558), (6279, 10892), (6762, 10114), (7644, 8947), (8169, 8372)]