223355

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:178

約数の個数: 16

約数和(自身を含む): 304128

約数和(自身を除く): 80773

約数列:

[1, 5, 11, 31, 55, 131, 155, 341, 655, 1441, 1705, 4061, 7205, 20305, 44671, 223355]

約数ペア:

[(1, 223355), (5, 44671), (11, 20305), (31, 7205), (55, 4061), (131, 1705), (155, 1441), (341, 655)]