30781688

素因数分解:

$2^3\times 7^1\times {\mathrm{523}}^1\times {\mathrm{1051}}^1$

素因数の和:1587

約数の個数: 32

約数和(自身を含む): 66149760

約数和(自身を除く): 35368072

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 523, 1046, 1051, 2092, 2102, 3661, 4184, 4204, 7322, 7357, 8408, 14644, 14714, 29288, 29428, 58856, 549673, 1099346, 2198692, 3847711, 4397384, 7695422, 15390844, 30781688]

約数ペア:

[(1, 30781688), (2, 15390844), (4, 7695422), (7, 4397384), (8, 3847711), (14, 2198692), (28, 1099346), (56, 549673), (523, 58856), (1046, 29428), (1051, 29288), (2092, 14714), (2102, 14644), (3661, 8408), (4184, 7357), (4204, 7322)]