265720495

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{317}}^1$

素因数の和:579

約数の個数: 32

約数和(自身を含む): 344539008

約数和(自身を除く): 78818513

約数列:

[1, 5, 23, 37, 115, 185, 197, 317, 851, 985, 1585, 4255, 4531, 7289, 7291, 11729, 22655, 36445, 36455, 58645, 62449, 167647, 269767, 312245, 838235, 1348835, 1436327, 2310613, 7181635, 11553065, 53144099, 265720495]

約数ペア:

[(1, 265720495), (5, 53144099), (23, 11553065), (37, 7181635), (115, 2310613), (185, 1436327), (197, 1348835), (317, 838235), (851, 312245), (985, 269767), (1585, 167647), (4255, 62449), (4531, 58645), (7289, 36455), (7291, 36445), (11729, 22655)]