31535556

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6521}}^1$

素因数の和:6572

約数の個数: 48

約数和(自身を含む): 81811968

約数和(自身を除く): 50276412

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 186, 372, 403, 806, 1209, 1612, 2418, 4836, 6521, 13042, 19563, 26084, 39126, 78252, 84773, 169546, 202151, 254319, 339092, 404302, 508638, 606453, 808604, 1017276, 1212906, 2425812, 2627963, 5255926, 7883889, 10511852, 15767778, 31535556]

約数ペア:

[(1, 31535556), (2, 15767778), (3, 10511852), (4, 7883889), (6, 5255926), (12, 2627963), (13, 2425812), (26, 1212906), (31, 1017276), (39, 808604), (52, 606453), (62, 508638), (78, 404302), (93, 339092), (124, 254319), (156, 202151), (186, 169546), (372, 84773), (403, 78252), (806, 39126), (1209, 26084), (1612, 19563), (2418, 13042), (4836, 6521)]