161615311

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3499}}^1$

素因数の和:3559

約数の個数: 32

約数和(自身を含む): 211680000

約数和(自身を除く): 50064689

約数列:

[1, 11, 13, 17, 19, 143, 187, 209, 221, 247, 323, 2431, 2717, 3499, 3553, 4199, 38489, 45487, 46189, 59483, 66481, 500357, 654313, 731291, 773279, 864253, 1130177, 8506069, 9506783, 12431947, 14692301, 161615311]

約数ペア:

[(1, 161615311), (11, 14692301), (13, 12431947), (17, 9506783), (19, 8506069), (143, 1130177), (187, 864253), (209, 773279), (221, 731291), (247, 654313), (323, 500357), (2431, 66481), (2717, 59483), (3499, 46189), (3553, 45487), (4199, 38489)]