71272138

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{617}}^1$

素因数の和:886

約数の個数: 32

約数和(自身を含む): 126249984

約数和(自身を除く): 54977846

約数列:

[1, 2, 7, 14, 37, 74, 223, 259, 446, 518, 617, 1234, 1561, 3122, 4319, 8251, 8638, 16502, 22829, 45658, 57757, 115514, 137591, 159803, 275182, 319606, 963137, 1926274, 5090867, 10181734, 35636069, 71272138]

約数ペア:

[(1, 71272138), (2, 35636069), (7, 10181734), (14, 5090867), (37, 1926274), (74, 963137), (223, 319606), (259, 275182), (446, 159803), (518, 137591), (617, 115514), (1234, 57757), (1561, 45658), (3122, 22829), (4319, 16502), (8251, 8638)]