256538088

素因数分解:

$2^3\times 3^2\times {\mathrm{647}}^1\times {\mathrm{5507}}^1$

素因数の和:6166

約数の個数: 48

約数和(自身を含む): 695990880

約数和(自身を除く): 439452792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 647, 1294, 1941, 2588, 3882, 5176, 5507, 5823, 7764, 11014, 11646, 15528, 16521, 22028, 23292, 33042, 44056, 46584, 49563, 66084, 99126, 132168, 198252, 396504, 3563029, 7126058, 10689087, 14252116, 21378174, 28504232, 32067261, 42756348, 64134522, 85512696, 128269044, 256538088]

約数ペア:

[(1, 256538088), (2, 128269044), (3, 85512696), (4, 64134522), (6, 42756348), (8, 32067261), (9, 28504232), (12, 21378174), (18, 14252116), (24, 10689087), (36, 7126058), (72, 3563029), (647, 396504), (1294, 198252), (1941, 132168), (2588, 99126), (3882, 66084), (5176, 49563), (5507, 46584), (5823, 44056), (7764, 33042), (11014, 23292), (11646, 22028), (15528, 16521)]