81295284

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:445

約数の個数: 96

約数和(自身を含む): 225662976

約数和(自身を除く): 144367692

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 71, 84, 86, 129, 142, 172, 213, 258, 284, 301, 317, 426, 497, 516, 602, 634, 852, 903, 951, 994, 1204, 1268, 1491, 1806, 1902, 1988, 2219, 2982, 3053, 3612, 3804, 4438, 5964, 6106, 6657, 8876, 9159, 12212, 13314, 13631, 18318, 21371, 22507, 26628, 27262, 36636, 40893, 42742, 45014, 54524, 64113, 67521, 81786, 85484, 90028, 95417, 128226, 135042, 157549, 163572, 190834, 256452, 270084, 286251, 315098, 381668, 472647, 572502, 630196, 945294, 967801, 1145004, 1890588, 1935602, 2903403, 3871204, 5806806, 6774607, 11613612, 13549214, 20323821, 27098428, 40647642, 81295284]

約数ペア:

[(1, 81295284), (2, 40647642), (3, 27098428), (4, 20323821), (6, 13549214), (7, 11613612), (12, 6774607), (14, 5806806), (21, 3871204), (28, 2903403), (42, 1935602), (43, 1890588), (71, 1145004), (84, 967801), (86, 945294), (129, 630196), (142, 572502), (172, 472647), (213, 381668), (258, 315098), (284, 286251), (301, 270084), (317, 256452), (426, 190834), (497, 163572), (516, 157549), (602, 135042), (634, 128226), (852, 95417), (903, 90028), (951, 85484), (994, 81786), (1204, 67521), (1268, 64113), (1491, 54524), (1806, 45014), (1902, 42742), (1988, 40893), (2219, 36636), (2982, 27262), (3053, 26628), (3612, 22507), (3804, 21371), (4438, 18318), (5964, 13631), (6106, 13314), (6657, 12212), (8876, 9159)]