278605301

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1\times {\mathrm{1489}}^1$

素因数の和:1928

約数の個数: 16

約数和(自身を含む): 309145200

約数和(自身を除く): 30539899

約数列:

[1, 13, 37, 389, 481, 1489, 5057, 14393, 19357, 55093, 187109, 579221, 716209, 7529873, 21431177, 278605301]

約数ペア:

[(1, 278605301), (13, 21431177), (37, 7529873), (389, 716209), (481, 579221), (1489, 187109), (5057, 55093), (14393, 19357)]