209729714

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{3347}}^1$

素因数の和:3482

約数の個数: 32

約数和(自身を含む): 354352320

約数和(自身を除く): 144622606

約数列:

[1, 2, 17, 19, 34, 38, 97, 194, 323, 646, 1649, 1843, 3298, 3347, 3686, 6694, 31331, 56899, 62662, 63593, 113798, 127186, 324659, 649318, 1081081, 2162162, 5519203, 6168521, 11038406, 12337042, 104864857, 209729714]

約数ペア:

[(1, 209729714), (2, 104864857), (17, 12337042), (19, 11038406), (34, 6168521), (38, 5519203), (97, 2162162), (194, 1081081), (323, 649318), (646, 324659), (1649, 127186), (1843, 113798), (3298, 63593), (3347, 62662), (3686, 56899), (6694, 31331)]