127221985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{83}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 180169920

約数和(自身を除く): 52947935

約数列:

[1, 5, 11, 29, 31, 55, 83, 145, 155, 319, 341, 415, 899, 913, 961, 1595, 1705, 2407, 2573, 4495, 4565, 4805, 9889, 10571, 12035, 12865, 26477, 27869, 28303, 49445, 52855, 74617, 79763, 132385, 139345, 141515, 306559, 373085, 398815, 820787, 877393, 1532795, 2313127, 4103935, 4386965, 11565635, 25444397, 127221985]

約数ペア:

[(1, 127221985), (5, 25444397), (11, 11565635), (29, 4386965), (31, 4103935), (55, 2313127), (83, 1532795), (145, 877393), (155, 820787), (319, 398815), (341, 373085), (415, 306559), (899, 141515), (913, 139345), (961, 132385), (1595, 79763), (1705, 74617), (2407, 52855), (2573, 49445), (4495, 28303), (4565, 27869), (4805, 26477), (9889, 12865), (10571, 12035)]