254342417

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{4817}}^1$

素因数の和:5240

約数の個数: 16

約数和(自身を含む): 306810240

約数和(自身を除く): 52467823

約数列:

[1, 7, 19, 133, 397, 2779, 4817, 7543, 33719, 52801, 91523, 640661, 1912349, 13386443, 36334631, 254342417]

約数ペア:

[(1, 254342417), (7, 36334631), (19, 13386443), (133, 1912349), (397, 640661), (2779, 91523), (4817, 52801), (7543, 33719)]