131823972

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{409}}^1\times {\mathrm{1279}}^1$

素因数の和:1705

約数の個数: 72

約数和(自身を含む): 382054400

約数和(自身を除く): 250230428

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 409, 818, 1227, 1279, 1636, 2454, 2558, 2863, 3681, 3837, 4908, 5116, 5726, 7362, 7674, 8589, 8953, 11452, 11511, 14724, 15348, 17178, 17906, 23022, 25767, 26859, 34356, 35812, 46044, 51534, 53718, 80577, 103068, 107436, 161154, 322308, 523111, 1046222, 1569333, 2092444, 3138666, 3661777, 4707999, 6277332, 7323554, 9415998, 10985331, 14647108, 18831996, 21970662, 32955993, 43941324, 65911986, 131823972]

約数ペア:

[(1, 131823972), (2, 65911986), (3, 43941324), (4, 32955993), (6, 21970662), (7, 18831996), (9, 14647108), (12, 10985331), (14, 9415998), (18, 7323554), (21, 6277332), (28, 4707999), (36, 3661777), (42, 3138666), (63, 2092444), (84, 1569333), (126, 1046222), (252, 523111), (409, 322308), (818, 161154), (1227, 107436), (1279, 103068), (1636, 80577), (2454, 53718), (2558, 51534), (2863, 46044), (3681, 35812), (3837, 34356), (4908, 26859), (5116, 25767), (5726, 23022), (7362, 17906), (7674, 17178), (8589, 15348), (8953, 14724), (11452, 11511)]