496489930

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{21011}}^1$

素因数の和:21174

約数の個数: 32

約数和(自身を含む): 953104320

約数和(自身を除く): 456614390

約数列:

[1, 2, 5, 10, 17, 34, 85, 139, 170, 278, 695, 1390, 2363, 4726, 11815, 21011, 23630, 42022, 105055, 210110, 357187, 714374, 1785935, 2920529, 3571870, 5841058, 14602645, 29205290, 49648993, 99297986, 248244965, 496489930]

約数ペア:

[(1, 496489930), (2, 248244965), (5, 99297986), (10, 49648993), (17, 29205290), (34, 14602645), (85, 5841058), (139, 3571870), (170, 2920529), (278, 1785935), (695, 714374), (1390, 357187), (2363, 210110), (4726, 105055), (11815, 42022), (21011, 23630)]