644236364

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{503}}^1\times {\mathrm{3301}}^1$

素因数の和:3905

約数の個数: 24

約数和(自身を含む): 1141646688

約数和(自身を除く): 497410324

約数列:

[1, 2, 4, 97, 194, 388, 503, 1006, 2012, 3301, 6602, 13204, 48791, 97582, 195164, 320197, 640394, 1280788, 1660403, 3320806, 6641612, 161059091, 322118182, 644236364]

約数ペア:

[(1, 644236364), (2, 322118182), (4, 161059091), (97, 6641612), (194, 3320806), (388, 1660403), (503, 1280788), (1006, 640394), (2012, 320197), (3301, 195164), (6602, 97582), (13204, 48791)]