28758158

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{521}}^1$

素因数の和:740

約数の個数: 32

約数和(自身を含む): 51039072

約数和(自身を除く): 22280914

約数列:

[1, 2, 11, 13, 22, 26, 143, 193, 286, 386, 521, 1042, 2123, 2509, 4246, 5018, 5731, 6773, 11462, 13546, 27599, 55198, 74503, 100553, 149006, 201106, 1106083, 1307189, 2212166, 2614378, 14379079, 28758158]

約数ペア:

[(1, 28758158), (2, 14379079), (11, 2614378), (13, 2212166), (22, 1307189), (26, 1106083), (143, 201106), (193, 149006), (286, 100553), (386, 74503), (521, 55198), (1042, 27599), (2123, 13546), (2509, 11462), (4246, 6773), (5018, 5731)]