198507890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{16981}}^1$

素因数の和:17162

約数の個数: 32

約数和(自身を含む): 410828544

約数和(自身を除く): 212320654

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 167, 334, 835, 1169, 1670, 2338, 5845, 11690, 16981, 33962, 84905, 118867, 169810, 237734, 594335, 1188670, 2835827, 5671654, 14179135, 19850789, 28358270, 39701578, 99253945, 198507890]

約数ペア:

[(1, 198507890), (2, 99253945), (5, 39701578), (7, 28358270), (10, 19850789), (14, 14179135), (35, 5671654), (70, 2835827), (167, 1188670), (334, 594335), (835, 237734), (1169, 169810), (1670, 118867), (2338, 84905), (5845, 33962), (11690, 16981)]