197704255

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{311}}^1\times {\mathrm{443}}^1$

素因数の和:807

約数の個数: 32

約数和(自身を含む): 279272448

約数和(自身を除く): 81568193

約数列:

[1, 5, 7, 35, 41, 205, 287, 311, 443, 1435, 1555, 2177, 2215, 3101, 10885, 12751, 15505, 18163, 63755, 89257, 90815, 127141, 137773, 446285, 635705, 688865, 964411, 4822055, 5648693, 28243465, 39540851, 197704255]

約数ペア:

[(1, 197704255), (5, 39540851), (7, 28243465), (35, 5648693), (41, 4822055), (205, 964411), (287, 688865), (311, 635705), (443, 446285), (1435, 137773), (1555, 127141), (2177, 90815), (2215, 89257), (3101, 63755), (10885, 18163), (12751, 15505)]