256520268

素因数分解:

$2^2\times 3^2\times {\mathrm{79}}^1\times {\mathrm{90197}}^1$

素因数の和:90286

約数の個数: 36

約数和(自身を含む): 656641440

約数和(自身を除く): 400121172

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 79, 158, 237, 316, 474, 711, 948, 1422, 2844, 90197, 180394, 270591, 360788, 541182, 811773, 1082364, 1623546, 3247092, 7125563, 14251126, 21376689, 28502252, 42753378, 64130067, 85506756, 128260134, 256520268]

約数ペア:

[(1, 256520268), (2, 128260134), (3, 85506756), (4, 64130067), (6, 42753378), (9, 28502252), (12, 21376689), (18, 14251126), (36, 7125563), (79, 3247092), (158, 1623546), (237, 1082364), (316, 811773), (474, 541182), (711, 360788), (948, 270591), (1422, 180394), (2844, 90197)]