209509998

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{7151}}^1$

素因数の和:7432

約数の個数: 32

約数和(自身を含む): 442851840

約数和(自身を除く): 233341842

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 257, 514, 771, 1542, 4883, 7151, 9766, 14302, 14649, 21453, 29298, 42906, 135869, 271738, 407607, 815214, 1837807, 3675614, 5513421, 11026842, 34918333, 69836666, 104754999, 209509998]

約数ペア:

[(1, 209509998), (2, 104754999), (3, 69836666), (6, 34918333), (19, 11026842), (38, 5513421), (57, 3675614), (114, 1837807), (257, 815214), (514, 407607), (771, 271738), (1542, 135869), (4883, 42906), (7151, 29298), (9766, 21453), (14302, 14649)]