81049402

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{5749}}^1$

素因数の和:5830

約数の個数: 32

約数和(自身を含む): 149040000

約数和(自身を除く): 67990598

約数列:

[1, 2, 7, 14, 19, 38, 53, 106, 133, 266, 371, 742, 1007, 2014, 5749, 7049, 11498, 14098, 40243, 80486, 109231, 218462, 304697, 609394, 764617, 1529234, 2132879, 4265758, 5789243, 11578486, 40524701, 81049402]

約数ペア:

[(1, 81049402), (2, 40524701), (7, 11578486), (14, 5789243), (19, 4265758), (38, 2132879), (53, 1529234), (106, 764617), (133, 609394), (266, 304697), (371, 218462), (742, 109231), (1007, 80486), (2014, 40243), (5749, 14098), (7049, 11498)]