78968372

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{21529}}^1$

素因数の和:21671

約数の個数: 24

約数和(自身を含む): 159149760

約数和(自身を除く): 80181388

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 21529, 43058, 86116, 150703, 301406, 602812, 2820299, 5640598, 11281196, 19742093, 39484186, 78968372]

約数ペア:

[(1, 78968372), (2, 39484186), (4, 19742093), (7, 11281196), (14, 5640598), (28, 2820299), (131, 602812), (262, 301406), (524, 150703), (917, 86116), (1834, 43058), (3668, 21529)]