438686878

素因数分解:

$2^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{331}}^1\times {\mathrm{691}}^1$

素因数の和:1168

約数の個数: 32

約数和(自身を含む): 760912128

約数和(自身を除く): 322225250

約数列:

[1, 2, 7, 14, 137, 274, 331, 662, 691, 959, 1382, 1918, 2317, 4634, 4837, 9674, 45347, 90694, 94667, 189334, 228721, 317429, 457442, 634858, 662669, 1325338, 1601047, 3202094, 31334777, 62669554, 219343439, 438686878]

約数ペア:

[(1, 438686878), (2, 219343439), (7, 62669554), (14, 31334777), (137, 3202094), (274, 1601047), (331, 1325338), (662, 662669), (691, 634858), (959, 457442), (1382, 317429), (1918, 228721), (2317, 189334), (4634, 94667), (4837, 90694), (9674, 45347)]