277202770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{8297}}^1$

素因数の和:8574

約数の個数: 32

約数和(自身を含む): 539502768

約数和(自身を除く): 262299998

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 257, 514, 1285, 2570, 3341, 6682, 8297, 16594, 16705, 33410, 41485, 82970, 107861, 215722, 539305, 1078610, 2132329, 4264658, 10661645, 21323290, 27720277, 55440554, 138601385, 277202770]

約数ペア:

[(1, 277202770), (2, 138601385), (5, 55440554), (10, 27720277), (13, 21323290), (26, 10661645), (65, 4264658), (130, 2132329), (257, 1078610), (514, 539305), (1285, 215722), (2570, 107861), (3341, 82970), (6682, 41485), (8297, 33410), (16594, 16705)]