78897712

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{25031}}^1$

素因数の和:25236

約数の個数: 20

約数和(自身を含む): 153646416

約数和(自身を除く): 74748704

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 25031, 50062, 100124, 200248, 400496, 4931107, 9862214, 19724428, 39448856, 78897712]

約数ペア:

[(1, 78897712), (2, 39448856), (4, 19724428), (8, 9862214), (16, 4931107), (197, 400496), (394, 200248), (788, 100124), (1576, 50062), (3152, 25031)]