489478

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1171}}^1$

素因数の和:1203

約数の個数: 16

約数和(自身を含む): 843840

約数和(自身を除く): 354362

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 1171, 2342, 12881, 22249, 25762, 44498, 244739, 489478]

約数ペア:

[(1, 489478), (2, 244739), (11, 44498), (19, 25762), (22, 22249), (38, 12881), (209, 2342), (418, 1171)]