1390205311

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 1677428352

約数和(自身を除く): 287223041

約数列:

[1, 11, 17, 61, 67, 107, 187, 289, 671, 737, 1037, 1139, 1177, 1819, 3179, 4087, 6527, 7169, 11407, 12529, 17629, 19363, 20009, 30923, 44957, 69479, 71797, 78859, 110959, 121873, 193919, 212993, 340153, 437309, 764269, 1181143, 1220549, 1340603, 1886303, 2071841, 4810399, 7434253, 12992573, 20749333, 22790251, 81776783, 126382301, 1390205311]

約数ペア:

[(1, 1390205311), (11, 126382301), (17, 81776783), (61, 22790251), (67, 20749333), (107, 12992573), (187, 7434253), (289, 4810399), (671, 2071841), (737, 1886303), (1037, 1340603), (1139, 1220549), (1177, 1181143), (1819, 764269), (3179, 437309), (4087, 340153), (6527, 212993), (7169, 193919), (11407, 121873), (12529, 110959), (17629, 78859), (19363, 71797), (20009, 69479), (30923, 44957)]