178961465

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{919}}^1$

素因数の和:1049

約数の個数: 32

約数和(自身を含む): 238464000

約数和(自身を除く): 59502535

約数列:

[1, 5, 17, 29, 79, 85, 145, 395, 493, 919, 1343, 2291, 2465, 4595, 6715, 11455, 15623, 26651, 38947, 72601, 78115, 133255, 194735, 363005, 453067, 1234217, 2105429, 2265335, 6171085, 10527145, 35792293, 178961465]

約数ペア:

[(1, 178961465), (5, 35792293), (17, 10527145), (29, 6171085), (79, 2265335), (85, 2105429), (145, 1234217), (395, 453067), (493, 363005), (919, 194735), (1343, 133255), (2291, 78115), (2465, 72601), (4595, 38947), (6715, 26651), (11455, 15623)]