661881026

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{3257}}^1$

素因数の和:3458

約数の個数: 32

約数和(自身を含む): 1083741120

約数和(自身を除く): 421860094

約数列:

[1, 2, 17, 34, 43, 86, 139, 278, 731, 1462, 2363, 3257, 4726, 5977, 6514, 11954, 55369, 101609, 110738, 140051, 203218, 280102, 452723, 905446, 2380867, 4761734, 7696291, 15392582, 19467089, 38934178, 330940513, 661881026]

約数ペア:

[(1, 661881026), (2, 330940513), (17, 38934178), (34, 19467089), (43, 15392582), (86, 7696291), (139, 4761734), (278, 2380867), (731, 905446), (1462, 452723), (2363, 280102), (3257, 203218), (4726, 140051), (5977, 110738), (6514, 101609), (11954, 55369)]