1231219

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:210

約数の個数: 16

約数和(自身を含む): 1457280

約数和(自身を除く): 226061

約数列:

[1, 11, 19, 43, 137, 209, 473, 817, 1507, 2603, 5891, 8987, 28633, 64801, 111929, 1231219]

約数ペア:

[(1, 1231219), (11, 111929), (19, 64801), (43, 28633), (137, 8987), (209, 5891), (473, 2603), (817, 1507)]