12738985

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:301

約数の個数: 32

約数和(自身を含む): 18432000

約数和(自身を除く): 5693015

約数列:

[1, 5, 7, 31, 35, 59, 155, 199, 217, 295, 413, 995, 1085, 1393, 1829, 2065, 6169, 6965, 9145, 11741, 12803, 30845, 43183, 58705, 64015, 82187, 215915, 363971, 410935, 1819855, 2547797, 12738985]

約数ペア:

[(1, 12738985), (5, 2547797), (7, 1819855), (31, 410935), (35, 363971), (59, 215915), (155, 82187), (199, 64015), (217, 58705), (295, 43183), (413, 30845), (995, 12803), (1085, 11741), (1393, 9145), (1829, 6965), (2065, 6169)]