397718893

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 506761920

約数和(自身を除く): 109043027

約数列:

[1, 11, 13, 17, 107, 121, 139, 143, 187, 221, 1177, 1391, 1529, 1573, 1807, 1819, 2057, 2363, 2431, 12947, 14873, 15301, 16819, 19877, 20009, 23647, 25993, 26741, 30719, 163603, 168311, 193349, 218647, 220099, 252841, 260117, 285923, 337909, 1799633, 2126839, 2781251, 2861287, 3286933, 3716999, 23395229, 30593761, 36156263, 397718893]

約数ペア:

[(1, 397718893), (11, 36156263), (13, 30593761), (17, 23395229), (107, 3716999), (121, 3286933), (139, 2861287), (143, 2781251), (187, 2126839), (221, 1799633), (1177, 337909), (1391, 285923), (1529, 260117), (1573, 252841), (1807, 220099), (1819, 218647), (2057, 193349), (2363, 168311), (2431, 163603), (12947, 30719), (14873, 26741), (15301, 25993), (16819, 23647), (19877, 20009)]