1897900291

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{7103}}^1$

素因数の和:7184

約数の個数: 32

約数和(自身を含む): 2386944000

約数和(自身を除く): 489043709

約数列:

[1, 7, 19, 41, 49, 133, 287, 343, 779, 931, 2009, 5453, 6517, 7103, 14063, 38171, 49721, 134957, 267197, 291223, 348047, 944699, 2038561, 2436329, 5533237, 6612893, 14269927, 38732659, 46290251, 99889489, 271128613, 1897900291]

約数ペア:

[(1, 1897900291), (7, 271128613), (19, 99889489), (41, 46290251), (49, 38732659), (133, 14269927), (287, 6612893), (343, 5533237), (779, 2436329), (931, 2038561), (2009, 944699), (5453, 348047), (6517, 291223), (7103, 267197), (14063, 134957), (38171, 49721)]