168379615

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{877}}^1$

素因数の和:991

約数の個数: 32

約数和(自身を含む): 222520320

約数和(自身を除く): 54140705

約数列:

[1, 5, 19, 43, 47, 95, 215, 235, 817, 877, 893, 2021, 4085, 4385, 4465, 10105, 16663, 37711, 38399, 41219, 83315, 188555, 191995, 206095, 716509, 783161, 1772417, 3582545, 3915805, 8862085, 33675923, 168379615]

約数ペア:

[(1, 168379615), (5, 33675923), (19, 8862085), (43, 3915805), (47, 3582545), (95, 1772417), (215, 783161), (235, 716509), (817, 206095), (877, 191995), (893, 188555), (2021, 83315), (4085, 41219), (4385, 38399), (4465, 37711), (10105, 16663)]