256408936

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{1163}}^1$

素因数の和:1334

約数の個数: 64

約数和(自身を含む): 572129280

約数和(自身を除く): 315720344

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 127, 217, 248, 254, 434, 508, 868, 889, 1016, 1163, 1736, 1778, 2326, 3556, 3937, 4652, 7112, 7874, 8141, 9304, 15748, 16282, 27559, 31496, 32564, 36053, 55118, 65128, 72106, 110236, 144212, 147701, 220472, 252371, 288424, 295402, 504742, 590804, 1009484, 1033907, 1181608, 2018968, 2067814, 4135628, 4578731, 8271256, 9157462, 18314924, 32051117, 36629848, 64102234, 128204468, 256408936]

約数ペア:

[(1, 256408936), (2, 128204468), (4, 64102234), (7, 36629848), (8, 32051117), (14, 18314924), (28, 9157462), (31, 8271256), (56, 4578731), (62, 4135628), (124, 2067814), (127, 2018968), (217, 1181608), (248, 1033907), (254, 1009484), (434, 590804), (508, 504742), (868, 295402), (889, 288424), (1016, 252371), (1163, 220472), (1736, 147701), (1778, 144212), (2326, 110236), (3556, 72106), (3937, 65128), (4652, 55118), (7112, 36053), (7874, 32564), (8141, 31496), (9304, 27559), (15748, 16282)]