998103664

素因数分解:

$2^4\times {\mathrm{307}}^1\times {\mathrm{317}}^1\times {\mathrm{641}}^1$

素因数の和:1273

約数の個数: 40

約数和(自身を含む): 1949281488

約数和(自身を除く): 951177824

約数列:

[1, 2, 4, 8, 16, 307, 317, 614, 634, 641, 1228, 1268, 1282, 2456, 2536, 2564, 4912, 5072, 5128, 10256, 97319, 194638, 196787, 203197, 389276, 393574, 406394, 778552, 787148, 812788, 1557104, 1574296, 1625576, 3148592, 3251152, 62381479, 124762958, 249525916, 499051832, 998103664]

約数ペア:

[(1, 998103664), (2, 499051832), (4, 249525916), (8, 124762958), (16, 62381479), (307, 3251152), (317, 3148592), (614, 1625576), (634, 1574296), (641, 1557104), (1228, 812788), (1268, 787148), (1282, 778552), (2456, 406394), (2536, 393574), (2564, 389276), (4912, 203197), (5072, 196787), (5128, 194638), (10256, 97319)]