87891426

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1481}}^1$

素因数の和:1656

約数の個数: 64

約数和(自身を含む): 224789760

約数和(自身を除く): 136898334

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 157, 189, 314, 378, 471, 942, 1099, 1413, 1481, 2198, 2826, 2962, 3297, 4239, 4443, 6594, 8478, 8886, 9891, 10367, 13329, 19782, 20734, 26658, 29673, 31101, 39987, 59346, 62202, 79974, 93303, 186606, 232517, 279909, 465034, 559818, 697551, 1395102, 1627619, 2092653, 3255238, 4185306, 4882857, 6277959, 9765714, 12555918, 14648571, 29297142, 43945713, 87891426]

約数ペア:

[(1, 87891426), (2, 43945713), (3, 29297142), (6, 14648571), (7, 12555918), (9, 9765714), (14, 6277959), (18, 4882857), (21, 4185306), (27, 3255238), (42, 2092653), (54, 1627619), (63, 1395102), (126, 697551), (157, 559818), (189, 465034), (314, 279909), (378, 232517), (471, 186606), (942, 93303), (1099, 79974), (1413, 62202), (1481, 59346), (2198, 39987), (2826, 31101), (2962, 29673), (3297, 26658), (4239, 20734), (4443, 19782), (6594, 13329), (8478, 10367), (8886, 9891)]