278300733

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{5431}}^1$

素因数の和:5513

約数の個数: 32

約数和(自身を含む): 417177600

約数和(自身を除く): 138876867

約数列:

[1, 3, 19, 29, 31, 57, 87, 93, 551, 589, 899, 1653, 1767, 2697, 5431, 16293, 17081, 51243, 103189, 157499, 168361, 309567, 472497, 505083, 2992481, 3198859, 4882469, 8977443, 9596577, 14647407, 92766911, 278300733]

約数ペア:

[(1, 278300733), (3, 92766911), (19, 14647407), (29, 9596577), (31, 8977443), (57, 4882469), (87, 3198859), (93, 2992481), (551, 505083), (589, 472497), (899, 309567), (1653, 168361), (1767, 157499), (2697, 103189), (5431, 51243), (16293, 17081)]