78958012

素因数分解:

$2^2\times 7^2\times {\mathrm{402847}}^1$

素因数の和:402865

約数の個数: 18

約数和(自身を含む): 160736352

約数和(自身を除く): 81778340

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 402847, 805694, 1611388, 2819929, 5639858, 11279716, 19739503, 39479006, 78958012]

約数ペア:

[(1, 78958012), (2, 39479006), (4, 19739503), (7, 11279716), (14, 5639858), (28, 2819929), (49, 1611388), (98, 805694), (196, 402847)]