81872

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:75

約数の個数: 40

約数和(自身を含む): 196416

約数和(自身を除く): 114544

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 43, 56, 68, 86, 112, 119, 136, 172, 238, 272, 301, 344, 476, 602, 688, 731, 952, 1204, 1462, 1904, 2408, 2924, 4816, 5117, 5848, 10234, 11696, 20468, 40936, 81872]

約数ペア:

[(1, 81872), (2, 40936), (4, 20468), (7, 11696), (8, 10234), (14, 5848), (16, 5117), (17, 4816), (28, 2924), (34, 2408), (43, 1904), (56, 1462), (68, 1204), (86, 952), (112, 731), (119, 688), (136, 602), (172, 476), (238, 344), (272, 301)]