319213789

素因数分解:

${\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1\times {\mathrm{389}}^1$

素因数の和:780

約数の個数: 16

約数和(自身を含む): 334863360

約数和(自身を除く): 15649571

約数列:

[1, 31, 103, 257, 389, 3193, 7967, 12059, 26471, 40067, 99973, 820601, 1242077, 3099163, 10297219, 319213789]

約数ペア:

[(1, 319213789), (31, 10297219), (103, 3099163), (257, 1242077), (389, 820601), (3193, 99973), (7967, 40067), (12059, 26471)]