215916116

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{7879}}^1$

素因数の和:7944

約数の個数: 48

約数和(自身を含む): 444810240

約数和(自身を除く): 228894124

約数列:

[1, 2, 4, 13, 17, 26, 31, 34, 52, 62, 68, 124, 221, 403, 442, 527, 806, 884, 1054, 1612, 2108, 6851, 7879, 13702, 15758, 27404, 31516, 102427, 133943, 204854, 244249, 267886, 409708, 488498, 535772, 976996, 1741259, 3175237, 3482518, 4152233, 6350474, 6965036, 8304466, 12700948, 16608932, 53979029, 107958058, 215916116]

約数ペア:

[(1, 215916116), (2, 107958058), (4, 53979029), (13, 16608932), (17, 12700948), (26, 8304466), (31, 6965036), (34, 6350474), (52, 4152233), (62, 3482518), (68, 3175237), (124, 1741259), (221, 976996), (403, 535772), (442, 488498), (527, 409708), (806, 267886), (884, 244249), (1054, 204854), (1612, 133943), (2108, 102427), (6851, 31516), (7879, 27404), (13702, 15758)]