51260385

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:318

約数の個数: 64

約数和(自身を含む): 95800320

約数和(自身を除く): 44539935

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 83, 95, 165, 197, 209, 249, 285, 415, 591, 627, 913, 985, 1045, 1245, 1577, 2167, 2739, 2955, 3135, 3743, 4565, 4731, 6501, 7885, 10835, 11229, 13695, 16351, 17347, 18715, 23655, 32505, 41173, 49053, 52041, 56145, 81755, 86735, 123519, 179861, 205865, 245265, 260205, 310669, 539583, 617595, 899305, 932007, 1553345, 2697915, 3417359, 4660035, 10252077, 17086795, 51260385]

約数ペア:

[(1, 51260385), (3, 17086795), (5, 10252077), (11, 4660035), (15, 3417359), (19, 2697915), (33, 1553345), (55, 932007), (57, 899305), (83, 617595), (95, 539583), (165, 310669), (197, 260205), (209, 245265), (249, 205865), (285, 179861), (415, 123519), (591, 86735), (627, 81755), (913, 56145), (985, 52041), (1045, 49053), (1245, 41173), (1577, 32505), (2167, 23655), (2739, 18715), (2955, 17347), (3135, 16351), (3743, 13695), (4565, 11229), (4731, 10835), (6501, 7885)]