268701488

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{21503}}^1$

素因数の和:21593

約数の個数: 40

約数和(自身を含む): 575963136

約数和(自身を除く): 307261648

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 71, 88, 142, 176, 284, 568, 781, 1136, 1562, 3124, 6248, 12496, 21503, 43006, 86012, 172024, 236533, 344048, 473066, 946132, 1526713, 1892264, 3053426, 3784528, 6106852, 12213704, 16793843, 24427408, 33587686, 67175372, 134350744, 268701488]

約数ペア:

[(1, 268701488), (2, 134350744), (4, 67175372), (8, 33587686), (11, 24427408), (16, 16793843), (22, 12213704), (44, 6106852), (71, 3784528), (88, 3053426), (142, 1892264), (176, 1526713), (284, 946132), (568, 473066), (781, 344048), (1136, 236533), (1562, 172024), (3124, 86012), (6248, 43006), (12496, 21503)]