2021047872739

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{397}}^1\times {\mathrm{117889}}^1$

素因数の和:118523

約数の個数: 32

約数和(自身を含む): 2402315264000

約数和(自身を除く): 381267391261

約数列:

[1, 7, 31, 199, 217, 397, 1393, 2779, 6169, 12307, 43183, 79003, 86149, 117889, 553021, 825223, 2449093, 3654559, 17143651, 23459911, 25581913, 46801933, 164219377, 327613531, 727257241, 1450859923, 5090800687, 9313584667, 10156019461, 65195092669, 288721124677, 2021047872739]

約数ペア:

[(1, 2021047872739), (7, 288721124677), (31, 65195092669), (199, 10156019461), (217, 9313584667), (397, 5090800687), (1393, 1450859923), (2779, 727257241), (6169, 327613531), (12307, 164219377), (43183, 46801933), (79003, 25581913), (86149, 23459911), (117889, 17143651), (553021, 3654559), (825223, 2449093)]