663645876

素因数分解:

$2^2\times 3^1\times {\mathrm{421}}^1\times {\mathrm{131363}}^1$

素因数の和:131791

約数の個数: 24

約数和(自身を含む): 1552197024

約数和(自身を除く): 888551148

約数列:

[1, 2, 3, 4, 6, 12, 421, 842, 1263, 1684, 2526, 5052, 131363, 262726, 394089, 525452, 788178, 1576356, 55303823, 110607646, 165911469, 221215292, 331822938, 663645876]

約数ペア:

[(1, 663645876), (2, 331822938), (3, 221215292), (4, 165911469), (6, 110607646), (12, 55303823), (421, 1576356), (842, 788178), (1263, 525452), (1684, 394089), (2526, 262726), (5052, 131363)]