78481978

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{421}}^1\times {\mathrm{1123}}^1$

素因数の和:1629

約数の個数: 16

約数和(自身を含む): 119530656

約数和(自身を除く): 41048678

約数列:

[1, 2, 83, 166, 421, 842, 1123, 2246, 34943, 69886, 93209, 186418, 472783, 945566, 39240989, 78481978]

約数ペア:

[(1, 78481978), (2, 39240989), (83, 945566), (166, 472783), (421, 186418), (842, 93209), (1123, 69886), (2246, 34943)]