1901790527

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{5101}}^1$

素因数の和:5379

約数の個数: 32

約数和(自身を含む): 2489122944

約数和(自身を除く): 587332417

約数列:

[1, 7, 13, 17, 91, 119, 221, 241, 1547, 1687, 3133, 4097, 5101, 21931, 28679, 35707, 53261, 66313, 86717, 372827, 464191, 607019, 1127321, 1229341, 7891247, 8605387, 15981433, 20898797, 111870031, 146291579, 271684361, 1901790527]

約数ペア:

[(1, 1901790527), (7, 271684361), (13, 146291579), (17, 111870031), (91, 20898797), (119, 15981433), (221, 8605387), (241, 7891247), (1547, 1229341), (1687, 1127321), (3133, 607019), (4097, 464191), (5101, 372827), (21931, 86717), (28679, 66313), (35707, 53261)]