78720684

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{937151}}^1$

素因数の和:937165

約数の個数: 24

約数和(自身を含む): 209922048

約数和(自身を除く): 131201364

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 937151, 1874302, 2811453, 3748604, 5622906, 6560057, 11245812, 13120114, 19680171, 26240228, 39360342, 78720684]

約数ペア:

[(1, 78720684), (2, 39360342), (3, 26240228), (4, 19680171), (6, 13120114), (7, 11245812), (12, 6560057), (14, 5622906), (21, 3748604), (28, 2811453), (42, 1874302), (84, 937151)]