2154754225

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{223}}^1\times {\mathrm{2287}}^1$

素因数の和:2546

約数の個数: 36

約数和(自身を含む): 2907480576

約数和(自身を除く): 752726351

約数列:

[1, 5, 13, 25, 65, 169, 223, 325, 845, 1115, 2287, 2899, 4225, 5575, 11435, 14495, 29731, 37687, 57175, 72475, 148655, 188435, 386503, 510001, 743275, 942175, 1932515, 2550005, 6630013, 9662575, 12750025, 33150065, 86190169, 165750325, 430950845, 2154754225]

約数ペア:

[(1, 2154754225), (5, 430950845), (13, 165750325), (25, 86190169), (65, 33150065), (169, 12750025), (223, 9662575), (325, 6630013), (845, 2550005), (1115, 1932515), (2287, 942175), (2899, 743275), (4225, 510001), (5575, 386503), (11435, 188435), (14495, 148655), (29731, 72475), (37687, 57175)]