256690788

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^2\times {\mathrm{22259}}^1$

素因数の和:22328

約数の個数: 36

約数和(自身を含む): 618917040

約数和(自身を除く): 362226252

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 186, 372, 961, 1922, 2883, 3844, 5766, 11532, 22259, 44518, 66777, 89036, 133554, 267108, 690029, 1380058, 2070087, 2760116, 4140174, 8280348, 21390899, 42781798, 64172697, 85563596, 128345394, 256690788]

約数ペア:

[(1, 256690788), (2, 128345394), (3, 85563596), (4, 64172697), (6, 42781798), (12, 21390899), (31, 8280348), (62, 4140174), (93, 2760116), (124, 2070087), (186, 1380058), (372, 690029), (961, 267108), (1922, 133554), (2883, 89036), (3844, 66777), (5766, 44518), (11532, 22259)]