538863788

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{911}}^1$

素因数の和:1158

約数の個数: 48

約数和(自身を含む): 1022461440

約数和(自身を除く): 483597652

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 181, 362, 724, 817, 911, 1634, 1822, 3268, 3439, 3644, 6878, 7783, 13756, 15566, 17309, 31132, 34618, 39173, 69236, 78346, 147877, 156692, 164891, 295754, 329782, 591508, 659564, 744287, 1488574, 2977148, 3132929, 6265858, 7090313, 12531716, 14180626, 28361252, 134715947, 269431894, 538863788]

約数ペア:

[(1, 538863788), (2, 269431894), (4, 134715947), (19, 28361252), (38, 14180626), (43, 12531716), (76, 7090313), (86, 6265858), (172, 3132929), (181, 2977148), (362, 1488574), (724, 744287), (817, 659564), (911, 591508), (1634, 329782), (1822, 295754), (3268, 164891), (3439, 156692), (3644, 147877), (6878, 78346), (7783, 69236), (13756, 39173), (15566, 34618), (17309, 31132)]