1120904449

素因数分解:

$7^4\times {\mathrm{19}}^1\times {\mathrm{24571}}^1$

素因数の和:24618

約数の個数: 20

約数和(自身を含む): 1376523440

約数和(自身を除く): 255618991

約数列:

[1, 7, 19, 49, 133, 343, 931, 2401, 6517, 24571, 45619, 171997, 466849, 1203979, 3267943, 8427853, 22875601, 58994971, 160129207, 1120904449]

約数ペア:

[(1, 1120904449), (7, 160129207), (19, 58994971), (49, 22875601), (133, 8427853), (343, 3267943), (931, 1203979), (2401, 466849), (6517, 171997), (24571, 45619)]