1721431492

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{647}}^1\times {\mathrm{3557}}^1$

素因数の和:4236

約数の個数: 48

約数和(自身を含む): 3486043008

約数和(自身を除く): 1764611516

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 374, 647, 748, 1294, 2588, 3557, 7114, 7117, 10999, 14228, 14234, 21998, 28468, 39127, 43996, 60469, 78254, 120938, 120989, 156508, 241876, 241978, 483956, 665159, 1330318, 2301379, 2660636, 4602758, 9205516, 25315169, 39123443, 50630338, 78246886, 101260676, 156493772, 430357873, 860715746, 1721431492]

約数ペア:

[(1, 1721431492), (2, 860715746), (4, 430357873), (11, 156493772), (17, 101260676), (22, 78246886), (34, 50630338), (44, 39123443), (68, 25315169), (187, 9205516), (374, 4602758), (647, 2660636), (748, 2301379), (1294, 1330318), (2588, 665159), (3557, 483956), (7114, 241978), (7117, 241876), (10999, 156508), (14228, 120989), (14234, 120938), (21998, 78254), (28468, 60469), (39127, 43996)]