80747478

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{640853}}^1$

素因数の和:640868

約数の個数: 24

約数和(自身を含む): 199946448

約数和(自身を除く): 119198970

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 640853, 1281706, 1922559, 3845118, 4485971, 5767677, 8971942, 11535354, 13457913, 26915826, 40373739, 80747478]

約数ペア:

[(1, 80747478), (2, 40373739), (3, 26915826), (6, 13457913), (7, 11535354), (9, 8971942), (14, 5767677), (18, 4485971), (21, 3845118), (42, 1922559), (63, 1281706), (126, 640853)]