666720068

素因数分解:

$2^2\times 7^2\times {\mathrm{727}}^1\times {\mathrm{4679}}^1$

素因数の和:5424

約数の個数: 36

約数和(自身を含む): 1359408960

約数和(自身を除く): 692688892

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 727, 1454, 2908, 4679, 5089, 9358, 10178, 18716, 20356, 32753, 35623, 65506, 71246, 131012, 142492, 229271, 458542, 917084, 3401633, 6803266, 13606532, 23811431, 47622862, 95245724, 166680017, 333360034, 666720068]

約数ペア:

[(1, 666720068), (2, 333360034), (4, 166680017), (7, 95245724), (14, 47622862), (28, 23811431), (49, 13606532), (98, 6803266), (196, 3401633), (727, 917084), (1454, 458542), (2908, 229271), (4679, 142492), (5089, 131012), (9358, 71246), (10178, 65506), (18716, 35623), (20356, 32753)]