81980402

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{7517}}^1$

素因数の和:7586

約数の個数: 32

約数和(自身を含む): 151562880

約数和(自身を除く): 69582478

約数列:

[1, 2, 7, 14, 19, 38, 41, 82, 133, 266, 287, 574, 779, 1558, 5453, 7517, 10906, 15034, 52619, 105238, 142823, 285646, 308197, 616394, 999761, 1999522, 2157379, 4314758, 5855743, 11711486, 40990201, 81980402]

約数ペア:

[(1, 81980402), (2, 40990201), (7, 11711486), (14, 5855743), (19, 4314758), (38, 2157379), (41, 1999522), (82, 999761), (133, 616394), (266, 308197), (287, 285646), (574, 142823), (779, 105238), (1558, 52619), (5453, 15034), (7517, 10906)]