328677531

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{547}}^1$

素因数の和:672

約数の個数: 64

約数和(自身を含む): 565641216

約数和(自身を除く): 236963685

約数列:

[1, 3, 7, 13, 21, 31, 39, 71, 91, 93, 213, 217, 273, 403, 497, 547, 651, 923, 1209, 1491, 1641, 2201, 2769, 2821, 3829, 6461, 6603, 7111, 8463, 11487, 15407, 16957, 19383, 21333, 28613, 38837, 46221, 49777, 50871, 85839, 116511, 118699, 149331, 200291, 220441, 271859, 356097, 504881, 600873, 661323, 815577, 1203947, 1514643, 1543087, 3534167, 3611841, 4629261, 8427629, 10602501, 15651311, 25282887, 46953933, 109559177, 328677531]

約数ペア:

[(1, 328677531), (3, 109559177), (7, 46953933), (13, 25282887), (21, 15651311), (31, 10602501), (39, 8427629), (71, 4629261), (91, 3611841), (93, 3534167), (213, 1543087), (217, 1514643), (273, 1203947), (403, 815577), (497, 661323), (547, 600873), (651, 504881), (923, 356097), (1209, 271859), (1491, 220441), (1641, 200291), (2201, 149331), (2769, 118699), (2821, 116511), (3829, 85839), (6461, 50871), (6603, 49777), (7111, 46221), (8463, 38837), (11487, 28613), (15407, 21333), (16957, 19383)]