218492571

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 354816000

約数和(自身を除く): 136323429

約数列:

[1, 3, 11, 19, 23, 33, 57, 69, 109, 139, 209, 253, 327, 417, 437, 627, 759, 1199, 1311, 1529, 2071, 2507, 2641, 3197, 3597, 4587, 4807, 6213, 7521, 7923, 9591, 14421, 15151, 22781, 27577, 29051, 35167, 45453, 47633, 60743, 68343, 82731, 87153, 105501, 142899, 166661, 182229, 287869, 348473, 499983, 523963, 668173, 863607, 1045419, 1571889, 2004519, 3166559, 3833203, 6620987, 9499677, 11499609, 19862961, 72830857, 218492571]

約数ペア:

[(1, 218492571), (3, 72830857), (11, 19862961), (19, 11499609), (23, 9499677), (33, 6620987), (57, 3833203), (69, 3166559), (109, 2004519), (139, 1571889), (209, 1045419), (253, 863607), (327, 668173), (417, 523963), (437, 499983), (627, 348473), (759, 287869), (1199, 182229), (1311, 166661), (1529, 142899), (2071, 105501), (2507, 87153), (2641, 82731), (3197, 68343), (3597, 60743), (4587, 47633), (4807, 45453), (6213, 35167), (7521, 29051), (7923, 27577), (9591, 22781), (14421, 15151)]