28615235

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:371

約数の個数: 32

約数和(自身を含む): 39916800

約数和(自身を除く): 11301565

約数列:

[1, 5, 11, 19, 55, 95, 139, 197, 209, 695, 985, 1045, 1529, 2167, 2641, 3743, 7645, 10835, 13205, 18715, 27383, 29051, 41173, 136915, 145255, 205865, 301213, 520277, 1506065, 2601385, 5723047, 28615235]

約数ペア:

[(1, 28615235), (5, 5723047), (11, 2601385), (19, 1506065), (55, 520277), (95, 301213), (139, 205865), (197, 145255), (209, 136915), (695, 41173), (985, 29051), (1045, 27383), (1529, 18715), (2167, 13205), (2641, 10835), (3743, 7645)]