71640488

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{643}}^1\times {\mathrm{733}}^1$

素因数の和:1401

約数の個数: 32

約数和(自身を含む): 141808800

約数和(自身を除く): 70168312

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 643, 733, 1286, 1466, 2572, 2932, 5144, 5864, 12217, 13927, 24434, 27854, 48868, 55708, 97736, 111416, 471319, 942638, 1885276, 3770552, 8955061, 17910122, 35820244, 71640488]

約数ペア:

[(1, 71640488), (2, 35820244), (4, 17910122), (8, 8955061), (19, 3770552), (38, 1885276), (76, 942638), (152, 471319), (643, 111416), (733, 97736), (1286, 55708), (1466, 48868), (2572, 27854), (2932, 24434), (5144, 13927), (5864, 12217)]