81603816

素因数分解:

$2^3\times 3^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{431}}^1$

素因数の和:484

約数の個数: 128

約数和(自身を含む): 248832000

約数和(自身を除く): 167228184

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 42, 46, 49, 56, 69, 84, 92, 98, 138, 147, 161, 168, 184, 196, 276, 294, 322, 343, 392, 431, 483, 552, 588, 644, 686, 862, 966, 1029, 1127, 1176, 1288, 1293, 1372, 1724, 1932, 2058, 2254, 2586, 2744, 3017, 3381, 3448, 3864, 4116, 4508, 5172, 6034, 6762, 7889, 8232, 9016, 9051, 9913, 10344, 12068, 13524, 15778, 18102, 19826, 21119, 23667, 24136, 27048, 29739, 31556, 36204, 39652, 42238, 47334, 59478, 63112, 63357, 69391, 72408, 79304, 84476, 94668, 118956, 126714, 138782, 147833, 168952, 189336, 208173, 237912, 253428, 277564, 295666, 416346, 443499, 485737, 506856, 555128, 591332, 832692, 886998, 971474, 1182664, 1457211, 1665384, 1773996, 1942948, 2914422, 3400159, 3547992, 3885896, 5828844, 6800318, 10200477, 11657688, 13600636, 20400954, 27201272, 40801908, 81603816]

約数ペア:

[(1, 81603816), (2, 40801908), (3, 27201272), (4, 20400954), (6, 13600636), (7, 11657688), (8, 10200477), (12, 6800318), (14, 5828844), (21, 3885896), (23, 3547992), (24, 3400159), (28, 2914422), (42, 1942948), (46, 1773996), (49, 1665384), (56, 1457211), (69, 1182664), (84, 971474), (92, 886998), (98, 832692), (138, 591332), (147, 555128), (161, 506856), (168, 485737), (184, 443499), (196, 416346), (276, 295666), (294, 277564), (322, 253428), (343, 237912), (392, 208173), (431, 189336), (483, 168952), (552, 147833), (588, 138782), (644, 126714), (686, 118956), (862, 94668), (966, 84476), (1029, 79304), (1127, 72408), (1176, 69391), (1288, 63357), (1293, 63112), (1372, 59478), (1724, 47334), (1932, 42238), (2058, 39652), (2254, 36204), (2586, 31556), (2744, 29739), (3017, 27048), (3381, 24136), (3448, 23667), (3864, 21119), (4116, 19826), (4508, 18102), (5172, 15778), (6034, 13524), (6762, 12068), (7889, 10344), (8232, 9913), (9016, 9051)]