28278972

素因数分解:

$2^2\times 3^2\times {\mathrm{785527}}^1$

素因数の和:785537

約数の個数: 18

約数和(自身を含む): 71483048

約数和(自身を除く): 43204076

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 785527, 1571054, 2356581, 3142108, 4713162, 7069743, 9426324, 14139486, 28278972]

約数ペア:

[(1, 28278972), (2, 14139486), (3, 9426324), (4, 7069743), (6, 4713162), (9, 3142108), (12, 2356581), (18, 1571054), (36, 785527)]