1261567336

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{1134503}}^1$

素因数の和:1134648

約数の個数: 16

約数和(自身を含む): 2382458400

約数和(自身を除く): 1120891064

約数列:

[1, 2, 4, 8, 139, 278, 556, 1112, 1134503, 2269006, 4538012, 9076024, 157695917, 315391834, 630783668, 1261567336]

約数ペア:

[(1, 1261567336), (2, 630783668), (4, 315391834), (8, 157695917), (139, 9076024), (278, 4538012), (556, 2269006), (1112, 1134503)]