397840572

素因数分解:

$2^2\times 3^5\times {\mathrm{563}}^1\times {\mathrm{727}}^1$

素因数の和:1309

約数の個数: 72

約数和(自身を含む): 1046188416

約数和(自身を除く): 648347844

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 563, 727, 972, 1126, 1454, 1689, 2181, 2252, 2908, 3378, 4362, 5067, 6543, 6756, 8724, 10134, 13086, 15201, 19629, 20268, 26172, 30402, 39258, 45603, 58887, 60804, 78516, 91206, 117774, 136809, 176661, 182412, 235548, 273618, 353322, 409301, 547236, 706644, 818602, 1227903, 1637204, 2455806, 3683709, 4911612, 7367418, 11051127, 14734836, 22102254, 33153381, 44204508, 66306762, 99460143, 132613524, 198920286, 397840572]

約数ペア:

[(1, 397840572), (2, 198920286), (3, 132613524), (4, 99460143), (6, 66306762), (9, 44204508), (12, 33153381), (18, 22102254), (27, 14734836), (36, 11051127), (54, 7367418), (81, 4911612), (108, 3683709), (162, 2455806), (243, 1637204), (324, 1227903), (486, 818602), (563, 706644), (727, 547236), (972, 409301), (1126, 353322), (1454, 273618), (1689, 235548), (2181, 182412), (2252, 176661), (2908, 136809), (3378, 117774), (4362, 91206), (5067, 78516), (6543, 60804), (6756, 58887), (8724, 45603), (10134, 39258), (13086, 30402), (15201, 26172), (19629, 20268)]