28566965

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{233}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 40974336

約数和(自身を除く): 12407371

約数列:

[1, 5, 7, 31, 35, 113, 155, 217, 233, 565, 791, 1085, 1165, 1631, 3503, 3955, 7223, 8155, 17515, 24521, 26329, 36115, 50561, 122605, 131645, 184303, 252805, 816199, 921515, 4080995, 5713393, 28566965]

約数ペア:

[(1, 28566965), (5, 5713393), (7, 4080995), (31, 921515), (35, 816199), (113, 252805), (155, 184303), (217, 131645), (233, 122605), (565, 50561), (791, 36115), (1085, 26329), (1165, 24521), (1631, 17515), (3503, 8155), (3955, 7223)]