133977584

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{644123}}^1$

素因数の和:644144

約数の個数: 20

約数和(自身を含む): 279549816

約数和(自身を除く): 145572232

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 644123, 1288246, 2576492, 5152984, 8373599, 10305968, 16747198, 33494396, 66988792, 133977584]

約数ペア:

[(1, 133977584), (2, 66988792), (4, 33494396), (8, 16747198), (13, 10305968), (16, 8373599), (26, 5152984), (52, 2576492), (104, 1288246), (208, 644123)]