257135312

素因数分解:

$2^4\times 7^1\times {\mathrm{397}}^1\times {\mathrm{5783}}^1$

素因数の和:6195

約数の個数: 40

約数和(自身を含む): 570903936

約数和(自身を除く): 313768624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 397, 794, 1588, 2779, 3176, 5558, 5783, 6352, 11116, 11566, 22232, 23132, 40481, 44464, 46264, 80962, 92528, 161924, 323848, 647696, 2295851, 4591702, 9183404, 16070957, 18366808, 32141914, 36733616, 64283828, 128567656, 257135312]

約数ペア:

[(1, 257135312), (2, 128567656), (4, 64283828), (7, 36733616), (8, 32141914), (14, 18366808), (16, 16070957), (28, 9183404), (56, 4591702), (112, 2295851), (397, 647696), (794, 323848), (1588, 161924), (2779, 92528), (3176, 80962), (5558, 46264), (5783, 44464), (6352, 40481), (11116, 23132), (11566, 22232)]