28401704

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1613}}^1$

素因数の和:1721

約数の個数: 32

約数和(自身を含む): 55779840

約数和(自身を除く): 27378136

約数列:

[1, 2, 4, 8, 31, 62, 71, 124, 142, 248, 284, 568, 1613, 2201, 3226, 4402, 6452, 8804, 12904, 17608, 50003, 100006, 114523, 200012, 229046, 400024, 458092, 916184, 3550213, 7100426, 14200852, 28401704]

約数ペア:

[(1, 28401704), (2, 14200852), (4, 7100426), (8, 3550213), (31, 916184), (62, 458092), (71, 400024), (124, 229046), (142, 200012), (248, 114523), (284, 100006), (568, 50003), (1613, 17608), (2201, 12904), (3226, 8804), (4402, 6452)]