64940815

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{3299}}^1$

素因数の和:3462

約数の個数: 16

約数和(自身を含む): 81100800

約数和(自身を除く): 16159985

約数列:

[1, 5, 31, 127, 155, 635, 3299, 3937, 16495, 19685, 102269, 418973, 511345, 2094865, 12988163, 64940815]

約数ペア:

[(1, 64940815), (5, 12988163), (31, 2094865), (127, 511345), (155, 418973), (635, 102269), (3299, 19685), (3937, 16495)]