25501496

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 54432000

約数和(自身を除く): 28930504

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 71, 76, 136, 139, 142, 152, 278, 284, 323, 556, 568, 646, 1112, 1207, 1292, 1349, 2363, 2414, 2584, 2641, 2698, 4726, 4828, 5282, 5396, 9452, 9656, 9869, 10564, 10792, 18904, 19738, 21128, 22933, 39476, 44897, 45866, 78952, 89794, 91732, 167773, 179588, 183464, 187511, 335546, 359176, 375022, 671092, 750044, 1342184, 1500088, 3187687, 6375374, 12750748, 25501496]

約数ペア:

[(1, 25501496), (2, 12750748), (4, 6375374), (8, 3187687), (17, 1500088), (19, 1342184), (34, 750044), (38, 671092), (68, 375022), (71, 359176), (76, 335546), (136, 187511), (139, 183464), (142, 179588), (152, 167773), (278, 91732), (284, 89794), (323, 78952), (556, 45866), (568, 44897), (646, 39476), (1112, 22933), (1207, 21128), (1292, 19738), (1349, 18904), (2363, 10792), (2414, 10564), (2584, 9869), (2641, 9656), (2698, 9452), (4726, 5396), (4828, 5282)]