217729130

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{356933}}^1$

素因数の和:357001

約数の個数: 16

約数和(自身を含む): 398338344

約数和(自身を除く): 180609214

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 356933, 713866, 1784665, 3569330, 21772913, 43545826, 108864565, 217729130]

約数ペア:

[(1, 217729130), (2, 108864565), (5, 43545826), (10, 21772913), (61, 3569330), (122, 1784665), (305, 713866), (610, 356933)]