74491484

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{64439}}^1$

素因数の和:64477

約数の個数: 18

約数和(自身を含む): 138481560

約数和(自身を除く): 63990076

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 64439, 128878, 257756, 1095463, 2190926, 4381852, 18622871, 37245742, 74491484]

約数ペア:

[(1, 74491484), (2, 37245742), (4, 18622871), (17, 4381852), (34, 2190926), (68, 1095463), (289, 257756), (578, 128878), (1156, 64439)]