257313419

素因数分解:

${\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1\times {\mathrm{823}}^1$

素因数の和:1538

約数の個数: 16

約数和(自身を含む): 288017664

約数和(自身を除く): 30704245

約数列:

[1, 11, 43, 473, 661, 823, 7271, 9053, 28423, 35389, 312653, 389279, 544003, 5984033, 23392129, 257313419]

約数ペア:

[(1, 257313419), (11, 23392129), (43, 5984033), (473, 544003), (661, 389279), (823, 312653), (7271, 35389), (9053, 28423)]