219077776

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{18731}}^1$

素因数の和:18799

約数の個数: 40

約数和(自身を含む): 459908064

約数和(自身を除く): 240830288

約数列:

[1, 2, 4, 8, 16, 17, 34, 43, 68, 86, 136, 172, 272, 344, 688, 731, 1462, 2924, 5848, 11696, 18731, 37462, 74924, 149848, 299696, 318427, 636854, 805433, 1273708, 1610866, 2547416, 3221732, 5094832, 6443464, 12886928, 13692361, 27384722, 54769444, 109538888, 219077776]

約数ペア:

[(1, 219077776), (2, 109538888), (4, 54769444), (8, 27384722), (16, 13692361), (17, 12886928), (34, 6443464), (43, 5094832), (68, 3221732), (86, 2547416), (136, 1610866), (172, 1273708), (272, 805433), (344, 636854), (688, 318427), (731, 299696), (1462, 149848), (2924, 74924), (5848, 37462), (11696, 18731)]