472271821

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 565241600

約数和(自身を除く): 92969779

約数列:

[1, 7, 61, 73, 109, 139, 427, 511, 763, 973, 4453, 6649, 7957, 8479, 10147, 15151, 31171, 46543, 55699, 59353, 71029, 106057, 485377, 618967, 924211, 1106023, 3397639, 4332769, 6469477, 7742161, 67467403, 472271821]

約数ペア:

[(1, 472271821), (7, 67467403), (61, 7742161), (73, 6469477), (109, 4332769), (139, 3397639), (427, 1106023), (511, 924211), (763, 618967), (973, 485377), (4453, 106057), (6649, 71029), (7957, 59353), (8479, 55699), (10147, 46543), (15151, 31171)]