1291651921

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{30841}}^1$

素因数の和:31072

約数の個数: 16

約数和(自身を含む): 1531737088

約数和(自身を除く): 240085167

約数列:

[1, 7, 31, 193, 217, 1351, 5983, 30841, 41881, 215887, 956071, 5952313, 6692497, 41666191, 184521703, 1291651921]

約数ペア:

[(1, 1291651921), (7, 184521703), (31, 41666191), (193, 6692497), (217, 5952313), (1351, 956071), (5983, 215887), (30841, 41881)]