400955863

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{1951}}^1$

素因数の和:2143

約数の個数: 32

約数和(自身を含む): 532942848

約数和(自身を除く): 131986985

約数列:

[1, 7, 11, 17, 77, 119, 157, 187, 1099, 1309, 1727, 1951, 2669, 12089, 13657, 18683, 21461, 29359, 33167, 150227, 205513, 232169, 306307, 364837, 2144149, 2553859, 3369377, 5207219, 23585639, 36450533, 57279409, 400955863]

約数ペア:

[(1, 400955863), (7, 57279409), (11, 36450533), (17, 23585639), (77, 5207219), (119, 3369377), (157, 2553859), (187, 2144149), (1099, 364837), (1309, 306307), (1727, 232169), (1951, 205513), (2669, 150227), (12089, 33167), (13657, 29359), (18683, 21461)]