631011590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1987}}^1\times {\mathrm{2887}}^1$

素因数の和:4892

約数の個数: 32

約数和(自身を含む): 1240130304

約数和(自身を除く): 609118714

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 1987, 2887, 3974, 5774, 9935, 14435, 19870, 21857, 28870, 31757, 43714, 63514, 109285, 158785, 218570, 317570, 5736469, 11472938, 28682345, 57364690, 63101159, 126202318, 315505795, 631011590]

約数ペア:

[(1, 631011590), (2, 315505795), (5, 126202318), (10, 63101159), (11, 57364690), (22, 28682345), (55, 11472938), (110, 5736469), (1987, 317570), (2887, 218570), (3974, 158785), (5774, 109285), (9935, 63514), (14435, 43714), (19870, 31757), (21857, 28870)]