216321736

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{3889}}^1$

素因数の和:4321

約数の個数: 32

約数和(自身を含む): 430623000

約数和(自身を除く): 214301264

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 409, 818, 1636, 3272, 3889, 6953, 7778, 13906, 15556, 27812, 31112, 55624, 66113, 132226, 264452, 528904, 1590601, 3181202, 6362404, 12724808, 27040217, 54080434, 108160868, 216321736]

約数ペア:

[(1, 216321736), (2, 108160868), (4, 54080434), (8, 27040217), (17, 12724808), (34, 6362404), (68, 3181202), (136, 1590601), (409, 528904), (818, 264452), (1636, 132226), (3272, 66113), (3889, 55624), (6953, 31112), (7778, 27812), (13906, 15556)]