87125108

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{421}}^1$

素因数の和:840

約数の個数: 48

約数和(自身を含む): 184329600

約数和(自身を除く): 97204492

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 389, 421, 532, 778, 842, 1556, 1684, 2723, 2947, 5446, 5894, 7391, 7999, 10892, 11788, 14782, 15998, 29564, 31996, 51737, 55993, 103474, 111986, 163769, 206948, 223972, 327538, 655076, 1146383, 2292766, 3111611, 4585532, 6223222, 12446444, 21781277, 43562554, 87125108]

約数ペア:

[(1, 87125108), (2, 43562554), (4, 21781277), (7, 12446444), (14, 6223222), (19, 4585532), (28, 3111611), (38, 2292766), (76, 1146383), (133, 655076), (266, 327538), (389, 223972), (421, 206948), (532, 163769), (778, 111986), (842, 103474), (1556, 55993), (1684, 51737), (2723, 31996), (2947, 29564), (5446, 15998), (5894, 14782), (7391, 11788), (7999, 10892)]