311965085

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{641}}^1$

素因数の和:821

約数の個数: 32

約数和(自身を含む): 406771200

約数和(自身を除く): 94806115

約数列:

[1, 5, 19, 47, 95, 109, 235, 545, 641, 893, 2071, 3205, 4465, 5123, 10355, 12179, 25615, 30127, 60895, 69869, 97337, 150635, 349345, 486685, 572413, 1327511, 2862065, 3283843, 6637555, 16419215, 62393017, 311965085]

約数ペア:

[(1, 311965085), (5, 62393017), (19, 16419215), (47, 6637555), (95, 3283843), (109, 2862065), (235, 1327511), (545, 572413), (641, 486685), (893, 349345), (2071, 150635), (3205, 97337), (4465, 69869), (5123, 60895), (10355, 30127), (12179, 25615)]