68885968

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{138883}}^1$

素因数の和:138922

約数の個数: 20

約数和(自身を含む): 137772928

約数和(自身を除く): 68886960

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 138883, 277766, 555532, 1111064, 2222128, 4305373, 8610746, 17221492, 34442984, 68885968]

約数ペア:

[(1, 68885968), (2, 34442984), (4, 17221492), (8, 8610746), (16, 4305373), (31, 2222128), (62, 1111064), (124, 555532), (248, 277766), (496, 138883)]