253485505

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{3739}}^1$

素因数の和:3913

約数の個数: 32

約数和(自身を含む): 376992000

約数和(自身を除く): 123506495

約数列:

[1, 5, 7, 13, 35, 65, 91, 149, 455, 745, 1043, 1937, 3739, 5215, 9685, 13559, 18695, 26173, 48607, 67795, 130865, 243035, 340249, 557111, 1701245, 2785555, 3899777, 7242443, 19498885, 36212215, 50697101, 253485505]

約数ペア:

[(1, 253485505), (5, 50697101), (7, 36212215), (13, 19498885), (35, 7242443), (65, 3899777), (91, 2785555), (149, 1701245), (455, 557111), (745, 340249), (1043, 243035), (1937, 130865), (3739, 67795), (5215, 48607), (9685, 26173), (13559, 18695)]