77987998

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{21227}}^1$

素因数の和:21407

約数の個数: 16

約数和(自身を含む): 128386944

約数和(自身を除く): 50398946

約数列:

[1, 2, 11, 22, 167, 334, 1837, 3674, 21227, 42454, 233497, 466994, 3544909, 7089818, 38993999, 77987998]

約数ペア:

[(1, 77987998), (2, 38993999), (11, 7089818), (22, 3544909), (167, 466994), (334, 233497), (1837, 42454), (3674, 21227)]