51047018

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:191

約数の個数: 48

約数和(自身を含む): 90305280

約数和(自身を除く): 39258262

約数列:

[1, 2, 11, 22, 29, 31, 58, 62, 89, 178, 319, 341, 638, 682, 841, 899, 979, 1682, 1798, 1958, 2581, 2759, 5162, 5518, 9251, 9889, 18502, 19778, 26071, 28391, 30349, 52142, 56782, 60698, 74849, 80011, 149698, 160022, 286781, 573562, 823339, 880121, 1646678, 1760242, 2320319, 4640638, 25523509, 51047018]

約数ペア:

[(1, 51047018), (2, 25523509), (11, 4640638), (22, 2320319), (29, 1760242), (31, 1646678), (58, 880121), (62, 823339), (89, 573562), (178, 286781), (319, 160022), (341, 149698), (638, 80011), (682, 74849), (841, 60698), (899, 56782), (979, 52142), (1682, 30349), (1798, 28391), (1958, 26071), (2581, 19778), (2759, 18502), (5162, 9889), (5518, 9251)]