208631426

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{367}}^1$

素因数の和:626

約数の個数: 32

約数和(自身を含む): 331941888

約数和(自身を除く): 123310462

約数列:

[1, 2, 31, 53, 62, 106, 173, 346, 367, 734, 1643, 3286, 5363, 9169, 10726, 11377, 18338, 19451, 22754, 38902, 63491, 126982, 284239, 568478, 602981, 1205962, 1968221, 3365023, 3936442, 6730046, 104315713, 208631426]

約数ペア:

[(1, 208631426), (2, 104315713), (31, 6730046), (53, 3936442), (62, 3365023), (106, 1968221), (173, 1205962), (346, 602981), (367, 568478), (734, 284239), (1643, 126982), (3286, 63491), (5363, 38902), (9169, 22754), (10726, 19451), (11377, 18338)]