256811256

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{91457}}^1$

素因数の和:91485

約数の個数: 64

約数和(自身を含む): 768247200

約数和(自身を除く): 511435944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 156, 216, 234, 312, 351, 468, 702, 936, 1404, 2808, 91457, 182914, 274371, 365828, 548742, 731656, 823113, 1097484, 1188941, 1646226, 2194968, 2377882, 2469339, 3292452, 3566823, 4755764, 4938678, 6584904, 7133646, 9511528, 9877356, 10700469, 14267292, 19754712, 21400938, 28534584, 32101407, 42801876, 64202814, 85603752, 128405628, 256811256]

約数ペア:

[(1, 256811256), (2, 128405628), (3, 85603752), (4, 64202814), (6, 42801876), (8, 32101407), (9, 28534584), (12, 21400938), (13, 19754712), (18, 14267292), (24, 10700469), (26, 9877356), (27, 9511528), (36, 7133646), (39, 6584904), (52, 4938678), (54, 4755764), (72, 3566823), (78, 3292452), (104, 2469339), (108, 2377882), (117, 2194968), (156, 1646226), (216, 1188941), (234, 1097484), (312, 823113), (351, 731656), (468, 548742), (702, 365828), (936, 274371), (1404, 182914), (2808, 91457)]