678249032

素因数分解:

$2^3\times {\mathrm{107}}^1\times {\mathrm{811}}^1\times {\mathrm{977}}^1$

素因数の和:1901

約数の個数: 32

約数和(自身を含む): 1286500320

約数和(自身を除く): 608251288

約数列:

[1, 2, 4, 8, 107, 214, 428, 811, 856, 977, 1622, 1954, 3244, 3908, 6488, 7816, 86777, 104539, 173554, 209078, 347108, 418156, 694216, 792347, 836312, 1584694, 3169388, 6338776, 84781129, 169562258, 339124516, 678249032]

約数ペア:

[(1, 678249032), (2, 339124516), (4, 169562258), (8, 84781129), (107, 6338776), (214, 3169388), (428, 1584694), (811, 836312), (856, 792347), (977, 694216), (1622, 418156), (1954, 347108), (3244, 209078), (3908, 173554), (6488, 104539), (7816, 86777)]