1278889768

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1237}}^1\times {\mathrm{9941}}^1$

素因数の和:11197

約数の個数: 32

約数和(自身を含む): 2584721160

約数和(自身を除く): 1305831392

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1237, 2474, 4948, 9896, 9941, 16081, 19882, 32162, 39764, 64324, 79528, 128648, 129233, 258466, 516932, 1033864, 12297017, 24594034, 49188068, 98376136, 159861221, 319722442, 639444884, 1278889768]

約数ペア:

[(1, 1278889768), (2, 639444884), (4, 319722442), (8, 159861221), (13, 98376136), (26, 49188068), (52, 24594034), (104, 12297017), (1237, 1033864), (2474, 516932), (4948, 258466), (9896, 129233), (9941, 128648), (16081, 79528), (19882, 64324), (32162, 39764)]