278317902512

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{6341549}}^1$

素因数の和:6341781

約数の個数: 40

約数和(自身を含む): 583473332400

約数和(自身を除く): 305155429888

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 211, 422, 844, 1688, 2743, 3376, 5486, 10972, 21944, 43888, 6341549, 12683098, 25366196, 50732392, 82440137, 101464784, 164880274, 329760548, 659521096, 1319042192, 1338066839, 2676133678, 5352267356, 10704534712, 17394868907, 21409069424, 34789737814, 69579475628, 139158951256, 278317902512]

約数ペア:

[(1, 278317902512), (2, 139158951256), (4, 69579475628), (8, 34789737814), (13, 21409069424), (16, 17394868907), (26, 10704534712), (52, 5352267356), (104, 2676133678), (208, 1338066839), (211, 1319042192), (422, 659521096), (844, 329760548), (1688, 164880274), (2743, 101464784), (3376, 82440137), (5486, 50732392), (10972, 25366196), (21944, 12683098), (43888, 6341549)]