820966804

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{5701}}^1$

素因数の和:5888

約数の個数: 48

約数和(自身を含む): 1698739840

約数和(自身を除く): 877773036

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 139, 148, 259, 278, 518, 556, 973, 1036, 1946, 3892, 5143, 5701, 10286, 11402, 20572, 22804, 36001, 39907, 72002, 79814, 144004, 159628, 210937, 421874, 792439, 843748, 1476559, 1584878, 2953118, 3169756, 5547073, 5906236, 11094146, 22188292, 29320243, 58640486, 117280972, 205241701, 410483402, 820966804]

約数ペア:

[(1, 820966804), (2, 410483402), (4, 205241701), (7, 117280972), (14, 58640486), (28, 29320243), (37, 22188292), (74, 11094146), (139, 5906236), (148, 5547073), (259, 3169756), (278, 2953118), (518, 1584878), (556, 1476559), (973, 843748), (1036, 792439), (1946, 421874), (3892, 210937), (5143, 159628), (5701, 144004), (10286, 79814), (11402, 72002), (20572, 39907), (22804, 36001)]