256445592

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{821941}}^1$

素因数の和:821963

約数の個数: 32

約数和(自身を含む): 690431280

約数和(自身を除く): 433985688

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 821941, 1643882, 2465823, 3287764, 4931646, 6575528, 9863292, 10685233, 19726584, 21370466, 32055699, 42740932, 64111398, 85481864, 128222796, 256445592]

約数ペア:

[(1, 256445592), (2, 128222796), (3, 85481864), (4, 64111398), (6, 42740932), (8, 32055699), (12, 21370466), (13, 19726584), (24, 10685233), (26, 9863292), (39, 6575528), (52, 4931646), (78, 3287764), (104, 2465823), (156, 1643882), (312, 821941)]