28938410

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:446

約数の個数: 32

約数和(自身を含む): 53222400

約数和(自身を除く): 24283990

約数列:

[1, 2, 5, 10, 109, 139, 191, 218, 278, 382, 545, 695, 955, 1090, 1390, 1910, 15151, 20819, 26549, 30302, 41638, 53098, 75755, 104095, 132745, 151510, 208190, 265490, 2893841, 5787682, 14469205, 28938410]

約数ペア:

[(1, 28938410), (2, 14469205), (5, 5787682), (10, 2893841), (109, 265490), (139, 208190), (191, 151510), (218, 132745), (278, 104095), (382, 75755), (545, 53098), (695, 41638), (955, 30302), (1090, 26549), (1390, 20819), (1910, 15151)]