42720388

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{499}}^1\times {\mathrm{1259}}^1$

素因数の和:1779

約数の個数: 24

約数和(自身を含む): 79380000

約数和(自身を除く): 36659612

約数列:

[1, 2, 4, 17, 34, 68, 499, 998, 1259, 1996, 2518, 5036, 8483, 16966, 21403, 33932, 42806, 85612, 628241, 1256482, 2512964, 10680097, 21360194, 42720388]

約数ペア:

[(1, 42720388), (2, 21360194), (4, 10680097), (17, 2512964), (34, 1256482), (68, 628241), (499, 85612), (998, 42806), (1259, 33932), (1996, 21403), (2518, 16966), (5036, 8483)]