31565016

素因数分解:

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

素因数の和:438

約数の個数: 144

約数和(自身を含む): 104036400

約数和(自身を除く): 72471384

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 23, 24, 28, 36, 42, 46, 49, 56, 63, 69, 72, 84, 92, 98, 126, 138, 147, 161, 168, 184, 196, 207, 252, 276, 294, 322, 389, 392, 414, 441, 483, 504, 552, 588, 644, 778, 828, 882, 966, 1127, 1167, 1176, 1288, 1449, 1556, 1656, 1764, 1932, 2254, 2334, 2723, 2898, 3112, 3381, 3501, 3528, 3864, 4508, 4668, 5446, 5796, 6762, 7002, 8169, 8947, 9016, 9336, 10143, 10892, 11592, 13524, 14004, 16338, 17894, 19061, 20286, 21784, 24507, 26841, 27048, 28008, 32676, 35788, 38122, 40572, 49014, 53682, 57183, 62629, 65352, 71576, 76244, 80523, 81144, 98028, 107364, 114366, 125258, 152488, 161046, 171549, 187887, 196056, 214728, 228732, 250516, 322092, 343098, 375774, 438403, 457464, 501032, 563661, 644184, 686196, 751548, 876806, 1127322, 1315209, 1372392, 1503096, 1753612, 2254644, 2630418, 3507224, 3945627, 4509288, 5260836, 7891254, 10521672, 15782508, 31565016]

約数ペア:

[(1, 31565016), (2, 15782508), (3, 10521672), (4, 7891254), (6, 5260836), (7, 4509288), (8, 3945627), (9, 3507224), (12, 2630418), (14, 2254644), (18, 1753612), (21, 1503096), (23, 1372392), (24, 1315209), (28, 1127322), (36, 876806), (42, 751548), (46, 686196), (49, 644184), (56, 563661), (63, 501032), (69, 457464), (72, 438403), (84, 375774), (92, 343098), (98, 322092), (126, 250516), (138, 228732), (147, 214728), (161, 196056), (168, 187887), (184, 171549), (196, 161046), (207, 152488), (252, 125258), (276, 114366), (294, 107364), (322, 98028), (389, 81144), (392, 80523), (414, 76244), (441, 71576), (483, 65352), (504, 62629), (552, 57183), (588, 53682), (644, 49014), (778, 40572), (828, 38122), (882, 35788), (966, 32676), (1127, 28008), (1167, 27048), (1176, 26841), (1288, 24507), (1449, 21784), (1556, 20286), (1656, 19061), (1764, 17894), (1932, 16338), (2254, 14004), (2334, 13524), (2723, 11592), (2898, 10892), (3112, 10143), (3381, 9336), (3501, 9016), (3528, 8947), (3864, 8169), (4508, 7002), (4668, 6762), (5446, 5796)]