256447048

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{2311}}^1$

素因数の和:2438

約数の個数: 64

約数和(自身を含む): 570971520

約数和(自身を除く): 314524472

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 97, 104, 143, 194, 286, 388, 572, 776, 1067, 1144, 1261, 2134, 2311, 2522, 4268, 4622, 5044, 8536, 9244, 10088, 13871, 18488, 25421, 27742, 30043, 50842, 55484, 60086, 101684, 110968, 120172, 203368, 224167, 240344, 330473, 448334, 660946, 896668, 1321892, 1793336, 2465837, 2643784, 2914171, 4931674, 5828342, 9863348, 11656684, 19726696, 23313368, 32055881, 64111762, 128223524, 256447048]

約数ペア:

[(1, 256447048), (2, 128223524), (4, 64111762), (8, 32055881), (11, 23313368), (13, 19726696), (22, 11656684), (26, 9863348), (44, 5828342), (52, 4931674), (88, 2914171), (97, 2643784), (104, 2465837), (143, 1793336), (194, 1321892), (286, 896668), (388, 660946), (572, 448334), (776, 330473), (1067, 240344), (1144, 224167), (1261, 203368), (2134, 120172), (2311, 110968), (2522, 101684), (4268, 60086), (4622, 55484), (5044, 50842), (8536, 30043), (9244, 27742), (10088, 25421), (13871, 18488)]