191340215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{112223}}^1$

素因数の和:112270

約数の個数: 16

約数和(自身を含む): 258564096

約数和(自身を除く): 67223881

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 112223, 561115, 1234453, 3478913, 6172265, 17394565, 38268043, 191340215]

約数ペア:

[(1, 191340215), (5, 38268043), (11, 17394565), (31, 6172265), (55, 3478913), (155, 1234453), (341, 561115), (1705, 112223)]