779891470

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{4283}}^1$

素因数の和:4560

約数の個数: 32

約数和(自身を含む): 1425029760

約数和(自身を除く): 645138290

約数列:

[1, 2, 5, 10, 131, 139, 262, 278, 655, 695, 1310, 1390, 4283, 8566, 18209, 21415, 36418, 42830, 91045, 182090, 561073, 595337, 1122146, 1190674, 2805365, 2976685, 5610730, 5953370, 77989147, 155978294, 389945735, 779891470]

約数ペア:

[(1, 779891470), (2, 389945735), (5, 155978294), (10, 77989147), (131, 5953370), (139, 5610730), (262, 2976685), (278, 2805365), (655, 1190674), (695, 1122146), (1310, 595337), (1390, 561073), (4283, 182090), (8566, 91045), (18209, 42830), (21415, 36418)]