261866810

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{53117}}^1$

素因数の和:53170

約数の個数: 32

約数和(自身を含む): 516306960

約数和(自身を除く): 254440150

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 145, 170, 290, 493, 986, 2465, 4930, 53117, 106234, 265585, 531170, 902989, 1540393, 1805978, 3080786, 4514945, 7701965, 9029890, 15403930, 26186681, 52373362, 130933405, 261866810]

約数ペア:

[(1, 261866810), (2, 130933405), (5, 52373362), (10, 26186681), (17, 15403930), (29, 9029890), (34, 7701965), (58, 4514945), (85, 3080786), (145, 1805978), (170, 1540393), (290, 902989), (493, 531170), (986, 265585), (2465, 106234), (4930, 53117)]