31352272

素因数分解:

$2^4\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1783}}^1$

素因数の和:1955

約数の個数: 40

約数和(自身を含む): 69904256

約数和(自身を除く): 38551984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 157, 314, 628, 1099, 1256, 1783, 2198, 2512, 3566, 4396, 7132, 8792, 12481, 14264, 17584, 24962, 28528, 49924, 99848, 199696, 279931, 559862, 1119724, 1959517, 2239448, 3919034, 4478896, 7838068, 15676136, 31352272]

約数ペア:

[(1, 31352272), (2, 15676136), (4, 7838068), (7, 4478896), (8, 3919034), (14, 2239448), (16, 1959517), (28, 1119724), (56, 559862), (112, 279931), (157, 199696), (314, 99848), (628, 49924), (1099, 28528), (1256, 24962), (1783, 17584), (2198, 14264), (2512, 12481), (3566, 8792), (4396, 7132)]