40478308

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{421}}^1$

素因数の和:524

約数の個数: 36

約数和(自身を含む): 78286908

約数和(自身を除く): 37808600

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 421, 559, 842, 1118, 1684, 1849, 2236, 3698, 5473, 7396, 10946, 18103, 21892, 24037, 36206, 48074, 72412, 96148, 235339, 470678, 778429, 941356, 1556858, 3113716, 10119577, 20239154, 40478308]

約数ペア:

[(1, 40478308), (2, 20239154), (4, 10119577), (13, 3113716), (26, 1556858), (43, 941356), (52, 778429), (86, 470678), (172, 235339), (421, 96148), (559, 72412), (842, 48074), (1118, 36206), (1684, 24037), (1849, 21892), (2236, 18103), (3698, 10946), (5473, 7396)]