220895816

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{433}}^1\times {\mathrm{1483}}^1$

素因数の和:1965

約数の個数: 32

約数和(自身を含む): 425076960

約数和(自身を除く): 204181144

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 433, 866, 1483, 1732, 2966, 3464, 5932, 11864, 18619, 37238, 63769, 74476, 127538, 148952, 255076, 510152, 642139, 1284278, 2568556, 5137112, 27611977, 55223954, 110447908, 220895816]

約数ペア:

[(1, 220895816), (2, 110447908), (4, 55223954), (8, 27611977), (43, 5137112), (86, 2568556), (172, 1284278), (344, 642139), (433, 510152), (866, 255076), (1483, 148952), (1732, 127538), (2966, 74476), (3464, 63769), (5932, 37238), (11864, 18619)]