161722886

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{613}}^1$

素因数の和:840

約数の個数: 32

約数和(自身を含む): 267163680

約数和(自身を除く): 105440794

約数列:

[1, 2, 13, 26, 73, 139, 146, 278, 613, 949, 1226, 1807, 1898, 3614, 7969, 10147, 15938, 20294, 44749, 85207, 89498, 131911, 170414, 263822, 581737, 1107691, 1163474, 2215382, 6220111, 12440222, 80861443, 161722886]

約数ペア:

[(1, 161722886), (2, 80861443), (13, 12440222), (26, 6220111), (73, 2215382), (139, 1163474), (146, 1107691), (278, 581737), (613, 263822), (949, 170414), (1226, 131911), (1807, 89498), (1898, 85207), (3614, 44749), (7969, 20294), (10147, 15938)]