1391212

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{499}}^1$

素因数の和:561

約数の個数: 24

約数和(自身を含む): 2646000

約数和(自身を除く): 1254788

約数列:

[1, 2, 4, 17, 34, 41, 68, 82, 164, 499, 697, 998, 1394, 1996, 2788, 8483, 16966, 20459, 33932, 40918, 81836, 347803, 695606, 1391212]

約数ペア:

[(1, 1391212), (2, 695606), (4, 347803), (17, 81836), (34, 40918), (41, 33932), (68, 20459), (82, 16966), (164, 8483), (499, 2788), (697, 1996), (998, 1394)]