1921513408

素因数分解:

$2^6\times {\mathrm{47}}^1\times {\mathrm{638801}}^1$

素因数の和:638860

約数の個数: 28

約数和(自身を含む): 3894136992

約数和(自身を除く): 1972623584

約数列:

[1, 2, 4, 8, 16, 32, 47, 64, 94, 188, 376, 752, 1504, 3008, 638801, 1277602, 2555204, 5110408, 10220816, 20441632, 30023647, 40883264, 60047294, 120094588, 240189176, 480378352, 960756704, 1921513408]

約数ペア:

[(1, 1921513408), (2, 960756704), (4, 480378352), (8, 240189176), (16, 120094588), (32, 60047294), (47, 40883264), (64, 30023647), (94, 20441632), (188, 10220816), (376, 5110408), (752, 2555204), (1504, 1277602), (3008, 638801)]