28139684

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{10007}}^1$

素因数の和:10067

約数の個数: 24

約数和(自身を含む): 53242560

約数和(自身を除く): 25102876

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 148, 703, 1406, 2812, 10007, 20014, 40028, 190133, 370259, 380266, 740518, 760532, 1481036, 7034921, 14069842, 28139684]

約数ペア:

[(1, 28139684), (2, 14069842), (4, 7034921), (19, 1481036), (37, 760532), (38, 740518), (74, 380266), (76, 370259), (148, 190133), (703, 40028), (1406, 20014), (2812, 10007)]