201921790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{15937}}^1$

素因数の和:16132

約数の個数: 32

約数和(自身を含む): 417703104

約数和(自身を除く): 215781314

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 181, 362, 905, 1267, 1810, 2534, 6335, 12670, 15937, 31874, 79685, 111559, 159370, 223118, 557795, 1115590, 2884597, 5769194, 14422985, 20192179, 28845970, 40384358, 100960895, 201921790]

約数ペア:

[(1, 201921790), (2, 100960895), (5, 40384358), (7, 28845970), (10, 20192179), (14, 14422985), (35, 5769194), (70, 2884597), (181, 1115590), (362, 557795), (905, 223118), (1267, 159370), (1810, 111559), (2534, 79685), (6335, 31874), (12670, 15937)]