1178456321

素因数分解:

$7^2\times {\mathrm{113}}^1\times {\mathrm{331}}^1\times {\mathrm{643}}^1$

素因数の和:1101

約数の個数: 24

約数和(自身を含む): 1389324384

約数和(自身を除く): 210868063

約数列:

[1, 7, 49, 113, 331, 643, 791, 2317, 4501, 5537, 16219, 31507, 37403, 72659, 212833, 261821, 508613, 1489831, 1832747, 3560291, 10428817, 24050129, 168350903, 1178456321]

約数ペア:

[(1, 1178456321), (7, 168350903), (49, 24050129), (113, 10428817), (331, 3560291), (643, 1832747), (791, 1489831), (2317, 508613), (4501, 261821), (5537, 212833), (16219, 72659), (31507, 37403)]