28489986

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1307}}^1$

素因数の和:1495

約数の個数: 48

約数和(自身を含む): 71008704

約数和(自身を除く): 42518718

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 173, 346, 519, 1038, 1211, 1307, 1557, 2422, 2614, 3114, 3633, 3921, 7266, 7842, 9149, 10899, 11763, 18298, 21798, 23526, 27447, 54894, 82341, 164682, 226111, 452222, 678333, 1356666, 1582777, 2034999, 3165554, 4069998, 4748331, 9496662, 14244993, 28489986]

約数ペア:

[(1, 28489986), (2, 14244993), (3, 9496662), (6, 4748331), (7, 4069998), (9, 3165554), (14, 2034999), (18, 1582777), (21, 1356666), (42, 678333), (63, 452222), (126, 226111), (173, 164682), (346, 82341), (519, 54894), (1038, 27447), (1211, 23526), (1307, 21798), (1557, 18298), (2422, 11763), (2614, 10899), (3114, 9149), (3633, 7842), (3921, 7266)]