31928274

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:212

約数の個数: 96

約数和(自身を含む): 83026944

約数和(自身を除く): 51098670

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 43, 63, 71, 83, 86, 126, 129, 142, 166, 213, 249, 258, 301, 387, 426, 497, 498, 581, 602, 639, 747, 774, 903, 994, 1162, 1278, 1491, 1494, 1743, 1806, 2709, 2982, 3053, 3486, 3569, 4473, 5229, 5418, 5893, 6106, 7138, 8946, 9159, 10458, 10707, 11786, 17679, 18318, 21371, 21414, 24983, 27477, 32121, 35358, 41251, 42742, 49966, 53037, 54954, 64113, 64242, 74949, 82502, 106074, 123753, 128226, 149898, 192339, 224847, 247506, 253399, 371259, 384678, 449694, 506798, 742518, 760197, 1520394, 1773793, 2280591, 3547586, 4561182, 5321379, 10642758, 15964137, 31928274]

約数ペア:

[(1, 31928274), (2, 15964137), (3, 10642758), (6, 5321379), (7, 4561182), (9, 3547586), (14, 2280591), (18, 1773793), (21, 1520394), (42, 760197), (43, 742518), (63, 506798), (71, 449694), (83, 384678), (86, 371259), (126, 253399), (129, 247506), (142, 224847), (166, 192339), (213, 149898), (249, 128226), (258, 123753), (301, 106074), (387, 82502), (426, 74949), (497, 64242), (498, 64113), (581, 54954), (602, 53037), (639, 49966), (747, 42742), (774, 41251), (903, 35358), (994, 32121), (1162, 27477), (1278, 24983), (1491, 21414), (1494, 21371), (1743, 18318), (1806, 17679), (2709, 11786), (2982, 10707), (3053, 10458), (3486, 9159), (3569, 8946), (4473, 7138), (5229, 6106), (5418, 5893)]