31152989

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 39916800

約数和(自身を除く): 8763811

約数列:

[1, 7, 19, 29, 41, 133, 197, 203, 287, 551, 779, 1189, 1379, 3743, 3857, 5453, 5713, 8077, 8323, 22591, 26201, 39991, 56539, 108547, 153463, 158137, 234233, 759829, 1074241, 1639631, 4450427, 31152989]

約数ペア:

[(1, 31152989), (7, 4450427), (19, 1639631), (29, 1074241), (41, 759829), (133, 234233), (197, 158137), (203, 153463), (287, 108547), (551, 56539), (779, 39991), (1189, 26201), (1379, 22591), (3743, 8323), (3857, 8077), (5453, 5713)]