978392425

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{551207}}^1$

素因数の和:551288

約数の個数: 12

約数和(自身を含む): 1230296256

約数和(自身を除く): 251903831

約数列:

[1, 5, 25, 71, 355, 1775, 551207, 2756035, 13780175, 39135697, 195678485, 978392425]

約数ペア:

[(1, 978392425), (5, 195678485), (25, 39135697), (71, 13780175), (355, 2756035), (1775, 551207)]