208987306

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{1693}}^1$

素因数の和:1918

約数の個数: 32

約数和(自身を含む): 355170816

約数和(自身を除く): 146183510

約数列:

[1, 2, 11, 22, 31, 62, 181, 341, 362, 682, 1693, 1991, 3386, 3982, 5611, 11222, 18623, 37246, 52483, 61721, 104966, 123442, 306433, 577313, 612866, 1154626, 3370763, 6741526, 9499423, 18998846, 104493653, 208987306]

約数ペア:

[(1, 208987306), (2, 104493653), (11, 18998846), (22, 9499423), (31, 6741526), (62, 3370763), (181, 1154626), (341, 612866), (362, 577313), (682, 306433), (1693, 123442), (1991, 104966), (3386, 61721), (3982, 52483), (5611, 37246), (11222, 18623)]