397058884

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{77977}}^1$

素因数の和:78067

約数の個数: 24

約数和(自身を含む): 742350560

約数和(自身を除く): 345291676

約数列:

[1, 2, 4, 19, 38, 67, 76, 134, 268, 1273, 2546, 5092, 77977, 155954, 311908, 1481563, 2963126, 5224459, 5926252, 10448918, 20897836, 99264721, 198529442, 397058884]

約数ペア:

[(1, 397058884), (2, 198529442), (4, 99264721), (19, 20897836), (38, 10448918), (67, 5926252), (76, 5224459), (134, 2963126), (268, 1481563), (1273, 311908), (2546, 155954), (5092, 77977)]