201821554

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{269}}^1\times {\mathrm{509}}^1$

素因数の和:858

約数の個数: 32

約数和(自身を含む): 337089600

約数和(自身を除く): 135268046

約数列:

[1, 2, 11, 22, 67, 134, 269, 509, 538, 737, 1018, 1474, 2959, 5599, 5918, 11198, 18023, 34103, 36046, 68206, 136921, 198253, 273842, 375133, 396506, 750266, 1506131, 3012262, 9173707, 18347414, 100910777, 201821554]

約数ペア:

[(1, 201821554), (2, 100910777), (11, 18347414), (22, 9173707), (67, 3012262), (134, 1506131), (269, 750266), (509, 396506), (538, 375133), (737, 273842), (1018, 198253), (1474, 136921), (2959, 68206), (5599, 36046), (5918, 34103), (11198, 18023)]