207940355

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{2663}}^1$

素因数の和:2795

約数の個数: 32

約数和(自身を含む): 300754944

約数和(自身を除く): 92814589

約数列:

[1, 5, 7, 23, 35, 97, 115, 161, 485, 679, 805, 2231, 2663, 3395, 11155, 13315, 15617, 18641, 61249, 78085, 93205, 258311, 306245, 428743, 1291555, 1808177, 2143715, 5941153, 9040885, 29705765, 41588071, 207940355]

約数ペア:

[(1, 207940355), (5, 41588071), (7, 29705765), (23, 9040885), (35, 5941153), (97, 2143715), (115, 1808177), (161, 1291555), (485, 428743), (679, 306245), (805, 258311), (2231, 93205), (2663, 78085), (3395, 61249), (11155, 18641), (13315, 15617)]