81185736

素因数分解:

$2^3\times 3^1\times {\mathrm{163}}^1\times {\mathrm{20753}}^1$

素因数の和:20925

約数の個数: 32

約数和(自身を含む): 204219360

約数和(自身を除く): 123033624

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 163, 326, 489, 652, 978, 1304, 1956, 3912, 20753, 41506, 62259, 83012, 124518, 166024, 249036, 498072, 3382739, 6765478, 10148217, 13530956, 20296434, 27061912, 40592868, 81185736]

約数ペア:

[(1, 81185736), (2, 40592868), (3, 27061912), (4, 20296434), (6, 13530956), (8, 10148217), (12, 6765478), (24, 3382739), (163, 498072), (326, 249036), (489, 166024), (652, 124518), (978, 83012), (1304, 62259), (1956, 41506), (3912, 20753)]