1091890513

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{179}}^1\times {\mathrm{199}}^1$

素因数の和:565

約数の個数: 32

約数和(自身を含む): 1313280000

約数和(自身を除く): 221389487

約数列:

[1, 7, 29, 151, 179, 199, 203, 1057, 1253, 1393, 4379, 5191, 5771, 27029, 30049, 30653, 35621, 36337, 40397, 189203, 210343, 249347, 783841, 871421, 1033009, 5378771, 5486887, 6099947, 7231063, 37651397, 155984359, 1091890513]

約数ペア:

[(1, 1091890513), (7, 155984359), (29, 37651397), (151, 7231063), (179, 6099947), (199, 5486887), (203, 5378771), (1057, 1033009), (1253, 871421), (1393, 783841), (4379, 249347), (5191, 210343), (5771, 189203), (27029, 40397), (30049, 36337), (30653, 35621)]