988891768

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{2459}}^1\times {\mathrm{2957}}^1$

素因数の和:5439

約数の個数: 32

約数和(自身を含む): 1964703600

約数和(自身を除く): 975811832

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 2459, 2957, 4918, 5914, 9836, 11828, 19672, 23656, 41803, 50269, 83606, 100538, 167212, 201076, 334424, 402152, 7271263, 14542526, 29085052, 58170104, 123611471, 247222942, 494445884, 988891768]

約数ペア:

[(1, 988891768), (2, 494445884), (4, 247222942), (8, 123611471), (17, 58170104), (34, 29085052), (68, 14542526), (136, 7271263), (2459, 402152), (2957, 334424), (4918, 201076), (5914, 167212), (9836, 100538), (11828, 83606), (19672, 50269), (23656, 41803)]