388645946

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{3469}}^1$

素因数の和:3654

約数の個数: 32

約数和(自身を含む): 652915200

約数和(自身を除く): 264269254

約数列:

[1, 2, 13, 26, 31, 62, 139, 278, 403, 806, 1807, 3469, 3614, 4309, 6938, 8618, 45097, 56017, 90194, 107539, 112034, 215078, 482191, 964382, 1398007, 2796014, 6268483, 12536966, 14947921, 29895842, 194322973, 388645946]

約数ペア:

[(1, 388645946), (2, 194322973), (13, 29895842), (26, 14947921), (31, 12536966), (62, 6268483), (139, 2796014), (278, 1398007), (403, 964382), (806, 482191), (1807, 215078), (3469, 112034), (3614, 107539), (4309, 90194), (6938, 56017), (8618, 45097)]