31386818

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:330

約数の個数: 32

約数和(自身を含む): 50806272

約数和(自身を除く): 19419454

約数列:

[1, 2, 31, 43, 61, 62, 86, 122, 193, 386, 1333, 1891, 2623, 2666, 3782, 5246, 5983, 8299, 11773, 11966, 16598, 23546, 81313, 162626, 257269, 364963, 506239, 514538, 729926, 1012478, 15693409, 31386818]

約数ペア:

[(1, 31386818), (2, 15693409), (31, 1012478), (43, 729926), (61, 514538), (62, 506239), (86, 364963), (122, 257269), (193, 162626), (386, 81313), (1333, 23546), (1891, 16598), (2623, 11966), (2666, 11773), (3782, 8299), (5246, 5983)]