26781456

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{257}}^1$

素因数の和:448

約数の個数: 80

約数和(自身を含む): 75245184

約数和(自身を除く): 48463728

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 167, 208, 257, 312, 334, 501, 514, 624, 668, 771, 1002, 1028, 1336, 1542, 2004, 2056, 2171, 2672, 3084, 3341, 4008, 4112, 4342, 6168, 6513, 6682, 8016, 8684, 10023, 12336, 13026, 13364, 17368, 20046, 26052, 26728, 34736, 40092, 42919, 52104, 53456, 80184, 85838, 104208, 128757, 160368, 171676, 257514, 343352, 515028, 557947, 686704, 1030056, 1115894, 1673841, 2060112, 2231788, 3347682, 4463576, 6695364, 8927152, 13390728, 26781456]

約数ペア:

[(1, 26781456), (2, 13390728), (3, 8927152), (4, 6695364), (6, 4463576), (8, 3347682), (12, 2231788), (13, 2060112), (16, 1673841), (24, 1115894), (26, 1030056), (39, 686704), (48, 557947), (52, 515028), (78, 343352), (104, 257514), (156, 171676), (167, 160368), (208, 128757), (257, 104208), (312, 85838), (334, 80184), (501, 53456), (514, 52104), (624, 42919), (668, 40092), (771, 34736), (1002, 26728), (1028, 26052), (1336, 20046), (1542, 17368), (2004, 13364), (2056, 13026), (2171, 12336), (2672, 10023), (3084, 8684), (3341, 8016), (4008, 6682), (4112, 6513), (4342, 6168)]