81320199484

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1\times {\mathrm{4943}}^1$

素因数の和:5542

約数の個数: 48

約数和(自身を含む): 145498953600

約数和(自身を除く): 64178754116

約数列:

[1, 2, 4, 97, 109, 194, 218, 388, 389, 436, 778, 1556, 4943, 9886, 10573, 19772, 21146, 37733, 42292, 42401, 75466, 84802, 150932, 169604, 479471, 538787, 958942, 1077574, 1917884, 1922827, 2155148, 3845654, 4112897, 7691308, 8225794, 16451588, 52262339, 104524678, 186514219, 209049356, 209588143, 373028438, 419176286, 746056876, 838352572, 20330049871, 40660099742, 81320199484]

約数ペア:

[(1, 81320199484), (2, 40660099742), (4, 20330049871), (97, 838352572), (109, 746056876), (194, 419176286), (218, 373028438), (388, 209588143), (389, 209049356), (436, 186514219), (778, 104524678), (1556, 52262339), (4943, 16451588), (9886, 8225794), (10573, 7691308), (19772, 4112897), (21146, 3845654), (37733, 2155148), (42292, 1922827), (42401, 1917884), (75466, 1077574), (84802, 958942), (150932, 538787), (169604, 479471)]