81948130

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{1697}}^1$

素因数の和:2154

約数の個数: 32

約数和(自身を含む): 161377920

約数和(自身を除く): 79429790

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 439, 878, 1697, 2195, 3394, 4390, 4829, 8485, 9658, 16970, 18667, 24145, 37334, 48290, 93335, 186670, 744983, 1489966, 3724915, 7449830, 8194813, 16389626, 40974065, 81948130]

約数ペア:

[(1, 81948130), (2, 40974065), (5, 16389626), (10, 8194813), (11, 7449830), (22, 3724915), (55, 1489966), (110, 744983), (439, 186670), (878, 93335), (1697, 48290), (2195, 37334), (3394, 24145), (4390, 18667), (4829, 16970), (8485, 9658)]