389662084

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{207709}}^1$

素因数の和:207787

約数の個数: 24

約数和(自身を含む): 790959680

約数和(自身を除く): 401297596

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 469, 938, 1876, 207709, 415418, 830836, 1453963, 2907926, 5815852, 13916503, 27833006, 55666012, 97415521, 194831042, 389662084]

約数ペア:

[(1, 389662084), (2, 194831042), (4, 97415521), (7, 55666012), (14, 27833006), (28, 13916503), (67, 5815852), (134, 2907926), (268, 1453963), (469, 830836), (938, 415418), (1876, 207709)]