128598974

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{1489}}^1$

素因数の和:1728

約数の個数: 32

約数和(自身を含む): 228864000

約数和(自身を除く): 100265026

約数列:

[1, 2, 7, 14, 31, 62, 199, 217, 398, 434, 1393, 1489, 2786, 2978, 6169, 10423, 12338, 20846, 43183, 46159, 86366, 92318, 296311, 323113, 592622, 646226, 2074177, 4148354, 9185641, 18371282, 64299487, 128598974]

約数ペア:

[(1, 128598974), (2, 64299487), (7, 18371282), (14, 9185641), (31, 4148354), (62, 2074177), (199, 646226), (217, 592622), (398, 323113), (434, 296311), (1393, 92318), (1489, 86366), (2786, 46159), (2978, 43183), (6169, 20846), (10423, 12338)]