855221470

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1\times {\mathrm{3739}}^1$

素因数の和:4092

約数の個数: 32

約数和(自身を含む): 1563170400

約数和(自身を除く): 707948930

約数列:

[1, 2, 5, 10, 89, 178, 257, 445, 514, 890, 1285, 2570, 3739, 7478, 18695, 22873, 37390, 45746, 114365, 228730, 332771, 665542, 960923, 1663855, 1921846, 3327710, 4804615, 9609230, 85522147, 171044294, 427610735, 855221470]

約数ペア:

[(1, 855221470), (2, 427610735), (5, 171044294), (10, 85522147), (89, 9609230), (178, 4804615), (257, 3327710), (445, 1921846), (514, 1663855), (890, 960923), (1285, 665542), (2570, 332771), (3739, 228730), (7478, 114365), (18695, 45746), (22873, 37390)]