1971682559

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{251}}^1\times {\mathrm{353}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 2629138176

約数和(自身を除く): 657455617

約数列:

[1, 7, 11, 17, 77, 119, 187, 251, 289, 353, 1309, 1757, 2023, 2471, 2761, 3179, 3883, 4267, 6001, 19327, 22253, 27181, 29869, 42007, 46937, 66011, 72539, 88603, 102017, 328559, 462077, 507773, 620221, 714119, 797929, 974633, 1122187, 1506251, 5585503, 6822431, 7855309, 10543757, 16568761, 25606267, 115981327, 179243869, 281668937, 1971682559]

約数ペア:

[(1, 1971682559), (7, 281668937), (11, 179243869), (17, 115981327), (77, 25606267), (119, 16568761), (187, 10543757), (251, 7855309), (289, 6822431), (353, 5585503), (1309, 1506251), (1757, 1122187), (2023, 974633), (2471, 797929), (2761, 714119), (3179, 620221), (3883, 507773), (4267, 462077), (6001, 328559), (19327, 102017), (22253, 88603), (27181, 72539), (29869, 66011), (42007, 46937)]