398468

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:144

約数の個数: 36

約数和(自身を含む): 861840

約数和(自身を除く): 463372

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 107, 133, 196, 214, 266, 428, 532, 749, 931, 1498, 1862, 2033, 2996, 3724, 4066, 5243, 8132, 10486, 14231, 20972, 28462, 56924, 99617, 199234, 398468]

約数ペア:

[(1, 398468), (2, 199234), (4, 99617), (7, 56924), (14, 28462), (19, 20972), (28, 14231), (38, 10486), (49, 8132), (76, 5243), (98, 4066), (107, 3724), (133, 2996), (196, 2033), (214, 1862), (266, 1498), (428, 931), (532, 749)]