289604809

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{331}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 343357056

約数和(自身を除く): 53752247

約数列:

[1, 13, 17, 37, 107, 221, 331, 481, 629, 1391, 1819, 3959, 4303, 5627, 8177, 12247, 23647, 35417, 51467, 67303, 73151, 159211, 208199, 460421, 602089, 874939, 1310429, 2706587, 7827157, 17035577, 22277293, 289604809]

約数ペア:

[(1, 289604809), (13, 22277293), (17, 17035577), (37, 7827157), (107, 2706587), (221, 1310429), (331, 874939), (481, 602089), (629, 460421), (1391, 208199), (1819, 159211), (3959, 73151), (4303, 67303), (5627, 51467), (8177, 35417), (12247, 23647)]