1638163961

素因数分解:

$7^1\times {\mathrm{149}}^1\times {\mathrm{461}}^1\times {\mathrm{3407}}^1$

素因数の和:4024

約数の個数: 16

約数和(自身を含む): 1889395200

約数和(自身を除く): 251231239

約数列:

[1, 7, 149, 461, 1043, 3227, 3407, 23849, 68689, 480823, 507643, 1570627, 3553501, 10994389, 234023423, 1638163961]

約数ペア:

[(1, 1638163961), (7, 234023423), (149, 10994389), (461, 3553501), (1043, 1570627), (3227, 507643), (3407, 480823), (23849, 68689)]