1640451862

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{164341}}^1$

素因数の和:164404

約数の個数: 32

約数和(自身を含む): 3029151744

約数和(自身を除く): 1388699882

約数列:

[1, 2, 7, 14, 23, 31, 46, 62, 161, 217, 322, 434, 713, 1426, 4991, 9982, 164341, 328682, 1150387, 2300774, 3779843, 5094571, 7559686, 10189142, 26458901, 35661997, 52917802, 71323994, 117175133, 234350266, 820225931, 1640451862]

約数ペア:

[(1, 1640451862), (2, 820225931), (7, 234350266), (14, 117175133), (23, 71323994), (31, 52917802), (46, 35661997), (62, 26458901), (161, 10189142), (217, 7559686), (322, 5094571), (434, 3779843), (713, 2300774), (1426, 1150387), (4991, 328682), (9982, 164341)]