1640532957

素因数分解:

$3^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{206123}}^1$

素因数の和:206512

約数の個数: 16

約数和(自身を含む): 2506467840

約数和(自身を除く): 865934883

約数列:

[1, 3, 7, 21, 379, 1137, 2653, 7959, 206123, 618369, 1442861, 4328583, 78120617, 234361851, 546844319, 1640532957]

約数ペア:

[(1, 1640532957), (3, 546844319), (7, 234361851), (21, 78120617), (379, 4328583), (1137, 1442861), (2653, 618369), (7959, 206123)]