31779774

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{337}}^1$

素因数の和:402

約数の個数: 72

約数和(自身を含む): 77193792

約数和(自身を除く): 45414018

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 39, 62, 78, 93, 117, 169, 186, 234, 279, 337, 338, 403, 507, 558, 674, 806, 1011, 1014, 1209, 1521, 2022, 2418, 3033, 3042, 3627, 4381, 5239, 6066, 7254, 8762, 10447, 10478, 13143, 15717, 20894, 26286, 31341, 31434, 39429, 47151, 56953, 62682, 78858, 94023, 94302, 113906, 135811, 170859, 188046, 271622, 341718, 407433, 512577, 814866, 1025154, 1222299, 1765543, 2444598, 3531086, 5296629, 10593258, 15889887, 31779774]

約数ペア:

[(1, 31779774), (2, 15889887), (3, 10593258), (6, 5296629), (9, 3531086), (13, 2444598), (18, 1765543), (26, 1222299), (31, 1025154), (39, 814866), (62, 512577), (78, 407433), (93, 341718), (117, 271622), (169, 188046), (186, 170859), (234, 135811), (279, 113906), (337, 94302), (338, 94023), (403, 78858), (507, 62682), (558, 56953), (674, 47151), (806, 39429), (1011, 31434), (1014, 31341), (1209, 26286), (1521, 20894), (2022, 15717), (2418, 13143), (3033, 10478), (3042, 10447), (3627, 8762), (4381, 7254), (5239, 6066)]