664308728

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{17383}}^1$

素因数の和:17687

約数の個数: 32

約数和(自身を含む): 1323617760

約数和(自身を除く): 659309032

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 281, 562, 1124, 2248, 4777, 9554, 17383, 19108, 34766, 38216, 69532, 139064, 295511, 591022, 1182044, 2364088, 4884623, 9769246, 19538492, 39076984, 83038591, 166077182, 332154364, 664308728]

約数ペア:

[(1, 664308728), (2, 332154364), (4, 166077182), (8, 83038591), (17, 39076984), (34, 19538492), (68, 9769246), (136, 4884623), (281, 2364088), (562, 1182044), (1124, 591022), (2248, 295511), (4777, 139064), (9554, 69532), (17383, 38216), (19108, 34766)]