12778270

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{317}}^1$

素因数の和:492

約数の個数: 32

約数和(自身を含む): 24040800

約数和(自身を除く): 11262530

約数列:

[1, 2, 5, 10, 29, 58, 139, 145, 278, 290, 317, 634, 695, 1390, 1585, 3170, 4031, 8062, 9193, 18386, 20155, 40310, 44063, 45965, 88126, 91930, 220315, 440630, 1277827, 2555654, 6389135, 12778270]

約数ペア:

[(1, 12778270), (2, 6389135), (5, 2555654), (10, 1277827), (29, 440630), (58, 220315), (139, 91930), (145, 88126), (278, 45965), (290, 44063), (317, 40310), (634, 20155), (695, 18386), (1390, 9193), (1585, 8062), (3170, 4031)]