138838609

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{12821}}^1$

素因数の和:12865

約数の個数: 24

約数和(自身を含む): 184175208

約数和(自身を除く): 45336599

約数列:

[1, 7, 13, 17, 49, 91, 119, 221, 637, 833, 1547, 10829, 12821, 89747, 166673, 217957, 628229, 1166711, 1525699, 2833441, 8166977, 10679893, 19834087, 138838609]

約数ペア:

[(1, 138838609), (7, 19834087), (13, 10679893), (17, 8166977), (49, 2833441), (91, 1525699), (119, 1166711), (221, 628229), (637, 217957), (833, 166673), (1547, 89747), (10829, 12821)]