11520509

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{677}}^1$

素因数の和:725

約数の個数: 32

約数和(自身を含む): 16402176

約数和(自身を除く): 4881667

約数列:

[1, 7, 11, 13, 17, 77, 91, 119, 143, 187, 221, 677, 1001, 1309, 1547, 2431, 4739, 7447, 8801, 11509, 17017, 52129, 61607, 80563, 96811, 126599, 149617, 677677, 886193, 1047319, 1645787, 11520509]

約数ペア:

[(1, 11520509), (7, 1645787), (11, 1047319), (13, 886193), (17, 677677), (77, 149617), (91, 126599), (119, 96811), (143, 80563), (187, 61607), (221, 52129), (677, 17017), (1001, 11509), (1309, 8801), (1547, 7447), (2431, 4739)]