28697727149

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{378583}}^1$

素因数の和:378634

約数の個数: 32

約数和(自身を含む): 38161267200

約数和(自身を除く): 9463540051

約数列:

[1, 7, 13, 17, 49, 91, 119, 221, 343, 637, 833, 1547, 4459, 5831, 10829, 75803, 378583, 2650081, 4921579, 6435911, 18550567, 34451053, 45051377, 83666843, 129853969, 241157371, 315359639, 585667901, 1688101597, 2207517473, 4099675307, 28697727149]

約数ペア:

[(1, 28697727149), (7, 4099675307), (13, 2207517473), (17, 1688101597), (49, 585667901), (91, 315359639), (119, 241157371), (221, 129853969), (343, 83666843), (637, 45051377), (833, 34451053), (1547, 18550567), (4459, 6435911), (5831, 4921579), (10829, 2650081), (75803, 378583)]