28705628

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{33071}}^1$

素因数の和:33113

約数の個数: 24

約数和(自身を含む): 59265024

約数和(自身を除く): 30559396

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 33071, 66142, 132284, 231497, 462994, 925988, 1025201, 2050402, 4100804, 7176407, 14352814, 28705628]

約数ペア:

[(1, 28705628), (2, 14352814), (4, 7176407), (7, 4100804), (14, 2050402), (28, 1025201), (31, 925988), (62, 462994), (124, 231497), (217, 132284), (434, 66142), (868, 33071)]