278340926

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{439}}^1\times {\mathrm{5197}}^1$

素因数の和:5699

約数の個数: 16

約数和(自身を含む): 425404320

約数和(自身を除く): 147063394

約数列:

[1, 2, 61, 122, 439, 878, 5197, 10394, 26779, 53558, 317017, 634034, 2281483, 4562966, 139170463, 278340926]

約数ペア:

[(1, 278340926), (2, 139170463), (61, 4562966), (122, 2281483), (439, 634034), (878, 317017), (5197, 53558), (10394, 26779)]