199470518

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1\times {\mathrm{313}}^1$

素因数の和:648

約数の個数: 32

約数和(自身を含む): 327484416

約数和(自身を除く): 128013898

約数列:

[1, 2, 13, 26, 127, 193, 254, 313, 386, 626, 1651, 2509, 3302, 4069, 5018, 8138, 24511, 39751, 49022, 60409, 79502, 120818, 318643, 516763, 637286, 785317, 1033526, 1570634, 7671943, 15343886, 99735259, 199470518]

約数ペア:

[(1, 199470518), (2, 99735259), (13, 15343886), (26, 7671943), (127, 1570634), (193, 1033526), (254, 785317), (313, 637286), (386, 516763), (626, 318643), (1651, 120818), (2509, 79502), (3302, 60409), (4069, 49022), (5018, 39751), (8138, 24511)]