68896137488

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{138903503}}^1$

素因数の和:138903542

約数の個数: 20

約数和(自身を含む): 137792275968

約数和(自身を除く): 68896138480

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 138903503, 277807006, 555614012, 1111228024, 2222456048, 4306008593, 8612017186, 17224034372, 34448068744, 68896137488]

約数ペア:

[(1, 68896137488), (2, 34448068744), (4, 17224034372), (8, 8612017186), (16, 4306008593), (31, 2222456048), (62, 1111228024), (124, 555614012), (248, 277807006), (496, 138903503)]