30991646

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{661}}^1$

素因数の和:884

約数の個数: 32

約数和(自身を含む): 56624832

約数和(自身を除く): 25633186

約数列:

[1, 2, 7, 14, 17, 34, 119, 197, 238, 394, 661, 1322, 1379, 2758, 3349, 4627, 6698, 9254, 11237, 22474, 23443, 46886, 78659, 130217, 157318, 260434, 911519, 1823038, 2213689, 4427378, 15495823, 30991646]

約数ペア:

[(1, 30991646), (2, 15495823), (7, 4427378), (14, 2213689), (17, 1823038), (34, 911519), (119, 260434), (197, 157318), (238, 130217), (394, 78659), (661, 46886), (1322, 23443), (1379, 22474), (2758, 11237), (3349, 9254), (4627, 6698)]