28240784

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12343}}^1$

素因数の和:12375

約数の個数: 40

約数和(自身を含む): 64287552

約数和(自身を除く): 36046768

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 12343, 24686, 49372, 98744, 135773, 160459, 197488, 271546, 320918, 543092, 641836, 1086184, 1283672, 1765049, 2172368, 2567344, 3530098, 7060196, 14120392, 28240784]

約数ペア:

[(1, 28240784), (2, 14120392), (4, 7060196), (8, 3530098), (11, 2567344), (13, 2172368), (16, 1765049), (22, 1283672), (26, 1086184), (44, 641836), (52, 543092), (88, 320918), (104, 271546), (143, 197488), (176, 160459), (208, 135773), (286, 98744), (572, 49372), (1144, 24686), (2288, 12343)]