78721468

素因数分解:

$2^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{18869}}^1$

素因数の和:19029

約数の個数: 24

約数和(自身を含む): 158508000

約数和(自身を除く): 79786532

約数列:

[1, 2, 4, 7, 14, 28, 149, 298, 596, 1043, 2086, 4172, 18869, 37738, 75476, 132083, 264166, 528332, 2811481, 5622962, 11245924, 19680367, 39360734, 78721468]

約数ペア:

[(1, 78721468), (2, 39360734), (4, 19680367), (7, 11245924), (14, 5622962), (28, 2811481), (149, 528332), (298, 264166), (596, 132083), (1043, 75476), (2086, 37738), (4172, 18869)]