12785868

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1$

素因数の和:407

約数の個数: 72

約数和(自身を含む): 34441680

約数和(自身を除く): 21655812

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 37, 58, 74, 87, 111, 116, 148, 174, 222, 261, 331, 333, 348, 444, 522, 662, 666, 993, 1044, 1073, 1324, 1332, 1986, 2146, 2979, 3219, 3972, 4292, 5958, 6438, 9599, 9657, 11916, 12247, 12876, 19198, 19314, 24494, 28797, 36741, 38396, 38628, 48988, 57594, 73482, 86391, 110223, 115188, 146964, 172782, 220446, 345564, 355163, 440892, 710326, 1065489, 1420652, 2130978, 3196467, 4261956, 6392934, 12785868]

約数ペア:

[(1, 12785868), (2, 6392934), (3, 4261956), (4, 3196467), (6, 2130978), (9, 1420652), (12, 1065489), (18, 710326), (29, 440892), (36, 355163), (37, 345564), (58, 220446), (74, 172782), (87, 146964), (111, 115188), (116, 110223), (148, 86391), (174, 73482), (222, 57594), (261, 48988), (331, 38628), (333, 38396), (348, 36741), (444, 28797), (522, 24494), (662, 19314), (666, 19198), (993, 12876), (1044, 12247), (1073, 11916), (1324, 9657), (1332, 9599), (1986, 6438), (2146, 5958), (2979, 4292), (3219, 3972)]