25990308

素因数分解:

$2^2\times 3^7\times {\mathrm{2971}}^1$

素因数の和:2996

約数の個数: 48

約数和(自身を含む): 68237120

約数和(自身を除く): 42246812

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1458, 2187, 2916, 2971, 4374, 5942, 8748, 8913, 11884, 17826, 26739, 35652, 53478, 80217, 106956, 160434, 240651, 320868, 481302, 721953, 962604, 1443906, 2165859, 2887812, 4331718, 6497577, 8663436, 12995154, 25990308]

約数ペア:

[(1, 25990308), (2, 12995154), (3, 8663436), (4, 6497577), (6, 4331718), (9, 2887812), (12, 2165859), (18, 1443906), (27, 962604), (36, 721953), (54, 481302), (81, 320868), (108, 240651), (162, 160434), (243, 106956), (324, 80217), (486, 53478), (729, 35652), (972, 26739), (1458, 17826), (2187, 11884), (2916, 8913), (2971, 8748), (4374, 5942)]