1387166221

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{159683}}^1$

素因数の和:159780

約数の個数: 16

約数和(自身を含む): 1701592704

約数和(自身を除く): 314426483

約数列:

[1, 7, 17, 73, 119, 511, 1241, 8687, 159683, 1117781, 2714611, 11656859, 19002277, 81598013, 198166603, 1387166221]

約数ペア:

[(1, 1387166221), (7, 198166603), (17, 81598013), (73, 19002277), (119, 11656859), (511, 2714611), (1241, 1117781), (8687, 159683)]