2149790825

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{944963}}^1$

素因数の和:944993

約数の個数: 24

約数和(自身を含む): 3280915008

約数和(自身を除く): 1131124183

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 2275, 944963, 4724815, 6614741, 12284519, 23624075, 33073705, 61422595, 85991633, 165368525, 307112975, 429958165, 2149790825]

約数ペア:

[(1, 2149790825), (5, 429958165), (7, 307112975), (13, 165368525), (25, 85991633), (35, 61422595), (65, 33073705), (91, 23624075), (175, 12284519), (325, 6614741), (455, 4724815), (2275, 944963)]