87015877

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 111404160

約数和(自身を除く): 24388283

約数列:

[1, 13, 17, 19, 23, 53, 221, 247, 289, 299, 323, 391, 437, 689, 901, 1007, 1219, 3757, 4199, 5083, 5491, 5681, 6647, 7429, 11713, 13091, 15317, 15847, 17119, 20723, 23161, 71383, 86411, 96577, 126293, 199121, 222547, 269399, 291023, 301093, 352291, 393737, 1641809, 3783299, 4579783, 5118581, 6693529, 87015877]

約数ペア:

[(1, 87015877), (13, 6693529), (17, 5118581), (19, 4579783), (23, 3783299), (53, 1641809), (221, 393737), (247, 352291), (289, 301093), (299, 291023), (323, 269399), (391, 222547), (437, 199121), (689, 126293), (901, 96577), (1007, 86411), (1219, 71383), (3757, 23161), (4199, 20723), (5083, 17119), (5491, 15847), (5681, 15317), (6647, 13091), (7429, 11713)]