71322290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{3947}}^1$

素因数の和:4106

約数の個数: 32

約数和(自身を含む): 139285440

約数和(自身を除く): 67963150

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 139, 278, 695, 1390, 1807, 3614, 3947, 7894, 9035, 18070, 19735, 39470, 51311, 102622, 256555, 513110, 548633, 1097266, 2743165, 5486330, 7132229, 14264458, 35661145, 71322290]

約数ペア:

[(1, 71322290), (2, 35661145), (5, 14264458), (10, 7132229), (13, 5486330), (26, 2743165), (65, 1097266), (130, 548633), (139, 513110), (278, 256555), (695, 102622), (1390, 51311), (1807, 39470), (3614, 19735), (3947, 18070), (7894, 9035)]