2131549264

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{337}}^1\times {\mathrm{647}}^1$

素因数の和:1052

約数の個数: 80

約数和(自身を含む): 4562707968

約数和(自身を除く): 2431158704

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 94, 104, 188, 208, 337, 376, 611, 647, 674, 752, 1222, 1294, 1348, 2444, 2588, 2696, 4381, 4888, 5176, 5392, 8411, 8762, 9776, 10352, 15839, 16822, 17524, 30409, 31678, 33644, 35048, 60818, 63356, 67288, 70096, 121636, 126712, 134576, 205907, 218039, 243272, 253424, 395317, 411814, 436078, 486544, 790634, 823628, 872156, 1581268, 1647256, 1744312, 2834507, 3162536, 3294512, 3488624, 5669014, 6325072, 10247833, 11338028, 20495666, 22676056, 40991332, 45352112, 81982664, 133221829, 163965328, 266443658, 532887316, 1065774632, 2131549264]

約数ペア:

[(1, 2131549264), (2, 1065774632), (4, 532887316), (8, 266443658), (13, 163965328), (16, 133221829), (26, 81982664), (47, 45352112), (52, 40991332), (94, 22676056), (104, 20495666), (188, 11338028), (208, 10247833), (337, 6325072), (376, 5669014), (611, 3488624), (647, 3294512), (674, 3162536), (752, 2834507), (1222, 1744312), (1294, 1647256), (1348, 1581268), (2444, 872156), (2588, 823628), (2696, 790634), (4381, 486544), (4888, 436078), (5176, 411814), (5392, 395317), (8411, 253424), (8762, 243272), (9776, 218039), (10352, 205907), (15839, 134576), (16822, 126712), (17524, 121636), (30409, 70096), (31678, 67288), (33644, 63356), (35048, 60818)]