72405464

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{210481}}^1$

素因数の和:210530

約数の個数: 16

約数和(自身を含む): 138918120

約数和(自身を除く): 66512656

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 210481, 420962, 841924, 1683848, 9050683, 18101366, 36202732, 72405464]

約数ペア:

[(1, 72405464), (2, 36202732), (4, 18101366), (8, 9050683), (43, 1683848), (86, 841924), (172, 420962), (344, 210481)]