28640716

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{181}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 57788640

約数和(自身を除く): 29147924

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 179, 181, 221, 358, 362, 442, 716, 724, 884, 2327, 2353, 3043, 3077, 4654, 4706, 6086, 6154, 9308, 9412, 12172, 12308, 32399, 39559, 40001, 64798, 79118, 80002, 129596, 158236, 160004, 421187, 550783, 842374, 1101566, 1684748, 2203132, 7160179, 14320358, 28640716]

約数ペア:

[(1, 28640716), (2, 14320358), (4, 7160179), (13, 2203132), (17, 1684748), (26, 1101566), (34, 842374), (52, 550783), (68, 421187), (179, 160004), (181, 158236), (221, 129596), (358, 80002), (362, 79118), (442, 64798), (716, 40001), (724, 39559), (884, 32399), (2327, 12308), (2353, 12172), (3043, 9412), (3077, 9308), (4654, 6154), (4706, 6086)]