128420996

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{17477}}^1$

素因数の和:17659

約数の個数: 24

約数和(自身を含む): 246649536

約数和(自身を除く): 118228540

約数列:

[1, 2, 4, 11, 22, 44, 167, 334, 668, 1837, 3674, 7348, 17477, 34954, 69908, 192247, 384494, 768988, 2918659, 5837318, 11674636, 32105249, 64210498, 128420996]

約数ペア:

[(1, 128420996), (2, 64210498), (4, 32105249), (11, 11674636), (22, 5837318), (44, 2918659), (167, 768988), (334, 384494), (668, 192247), (1837, 69908), (3674, 34954), (7348, 17477)]