199558036

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{691}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 385039872

約数和(自身を除く): 185481836

約数列:

[1, 2, 4, 17, 31, 34, 62, 68, 124, 137, 274, 527, 548, 691, 1054, 1382, 2108, 2329, 2764, 4247, 4658, 8494, 9316, 11747, 16988, 21421, 23494, 42842, 46988, 72199, 85684, 94667, 144398, 189334, 288796, 364157, 378668, 728314, 1456628, 1609339, 2934677, 3218678, 5869354, 6437356, 11738708, 49889509, 99779018, 199558036]

約数ペア:

[(1, 199558036), (2, 99779018), (4, 49889509), (17, 11738708), (31, 6437356), (34, 5869354), (62, 3218678), (68, 2934677), (124, 1609339), (137, 1456628), (274, 728314), (527, 378668), (548, 364157), (691, 288796), (1054, 189334), (1382, 144398), (2108, 94667), (2329, 85684), (2764, 72199), (4247, 46988), (4658, 42842), (8494, 23494), (9316, 21421), (11747, 16988)]