86742397

素因数分解:

$7^2\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{263}}^1$

素因数の和:457

約数の個数: 24

約数和(自身を含む): 104011776

約数和(自身を除く): 17269379

約数列:

[1, 7, 49, 53, 127, 263, 371, 889, 1841, 2597, 6223, 6731, 12887, 13939, 33401, 47117, 97573, 233807, 329819, 683011, 1636649, 1770253, 12391771, 86742397]

約数ペア:

[(1, 86742397), (7, 12391771), (49, 1770253), (53, 1636649), (127, 683011), (263, 329819), (371, 233807), (889, 97573), (1841, 47117), (2597, 33401), (6223, 13939), (6731, 12887)]