28083770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{479}}^1$

素因数の和:551

約数の個数: 64

約数和(自身を含む): 60963840

約数和(自身を除く): 32880070

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 41, 55, 65, 82, 110, 130, 143, 205, 286, 410, 451, 479, 533, 715, 902, 958, 1066, 1430, 2255, 2395, 2665, 4510, 4790, 5269, 5330, 5863, 6227, 10538, 11726, 12454, 19639, 26345, 29315, 31135, 39278, 52690, 58630, 62270, 68497, 98195, 136994, 196390, 216029, 255307, 342485, 432058, 510614, 684970, 1080145, 1276535, 2160290, 2553070, 2808377, 5616754, 14041885, 28083770]

約数ペア:

[(1, 28083770), (2, 14041885), (5, 5616754), (10, 2808377), (11, 2553070), (13, 2160290), (22, 1276535), (26, 1080145), (41, 684970), (55, 510614), (65, 432058), (82, 342485), (110, 255307), (130, 216029), (143, 196390), (205, 136994), (286, 98195), (410, 68497), (451, 62270), (479, 58630), (533, 52690), (715, 39278), (902, 31135), (958, 29315), (1066, 26345), (1430, 19639), (2255, 12454), (2395, 11726), (2665, 10538), (4510, 6227), (4790, 5863), (5269, 5330)]