28913514

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{419}}^1$

素因数の和:515

約数の個数: 64

約数和(自身を含む): 69672960

約数和(自身を除く): 40759446

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 53, 62, 93, 106, 159, 186, 217, 318, 371, 419, 434, 651, 742, 838, 1113, 1257, 1302, 1643, 2226, 2514, 2933, 3286, 4929, 5866, 8799, 9858, 11501, 12989, 17598, 22207, 23002, 25978, 34503, 38967, 44414, 66621, 69006, 77934, 90923, 133242, 155449, 181846, 272769, 310898, 466347, 545538, 688417, 932694, 1376834, 2065251, 4130502, 4818919, 9637838, 14456757, 28913514]

約数ペア:

[(1, 28913514), (2, 14456757), (3, 9637838), (6, 4818919), (7, 4130502), (14, 2065251), (21, 1376834), (31, 932694), (42, 688417), (53, 545538), (62, 466347), (93, 310898), (106, 272769), (159, 181846), (186, 155449), (217, 133242), (318, 90923), (371, 77934), (419, 69006), (434, 66621), (651, 44414), (742, 38967), (838, 34503), (1113, 25978), (1257, 23002), (1302, 22207), (1643, 17598), (2226, 12989), (2514, 11501), (2933, 9858), (3286, 8799), (4929, 5866)]