1020912985

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^2\times {\mathrm{541}}^1$

素因数の和:861

約数の個数: 24

約数和(自身を含む): 1308338136

約数和(自身を除く): 287425151

約数列:

[1, 5, 17, 85, 149, 541, 745, 2533, 2705, 9197, 12665, 22201, 45985, 80609, 111005, 377417, 403045, 1370353, 1887085, 6851765, 12010741, 60053705, 204182597, 1020912985]

約数ペア:

[(1, 1020912985), (5, 204182597), (17, 60053705), (85, 12010741), (149, 6851765), (541, 1887085), (745, 1370353), (2533, 403045), (2705, 377417), (9197, 111005), (12665, 80609), (22201, 45985)]