128780498538

素因数分解:

$2^1\times 3^4\times {\mathrm{257}}^1\times {\mathrm{797}}^1\times {\mathrm{3881}}^1$

素因数の和:4949

約数の個数: 80

約数和(自身を含む): 290124732744

約数和(自身を除く): 161344234206

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 257, 514, 771, 797, 1542, 1594, 2313, 2391, 3881, 4626, 4782, 6939, 7173, 7762, 11643, 13878, 14346, 20817, 21519, 23286, 34929, 41634, 43038, 64557, 69858, 104787, 129114, 204829, 209574, 314361, 409658, 614487, 628722, 997417, 1228974, 1843461, 1994834, 2992251, 3093157, 3686922, 5530383, 5984502, 6186314, 8976753, 9279471, 11060766, 16591149, 17953506, 18558942, 26930259, 27838413, 33182298, 53860518, 55676826, 80790777, 83515239, 161581554, 167030478, 250545717, 501091434, 794941349, 1589882698, 2384824047, 4769648094, 7154472141, 14308944282, 21463416423, 42926832846, 64390249269, 128780498538]

約数ペア:

[(1, 128780498538), (2, 64390249269), (3, 42926832846), (6, 21463416423), (9, 14308944282), (18, 7154472141), (27, 4769648094), (54, 2384824047), (81, 1589882698), (162, 794941349), (257, 501091434), (514, 250545717), (771, 167030478), (797, 161581554), (1542, 83515239), (1594, 80790777), (2313, 55676826), (2391, 53860518), (3881, 33182298), (4626, 27838413), (4782, 26930259), (6939, 18558942), (7173, 17953506), (7762, 16591149), (11643, 11060766), (13878, 9279471), (14346, 8976753), (20817, 6186314), (21519, 5984502), (23286, 5530383), (34929, 3686922), (41634, 3093157), (43038, 2992251), (64557, 1994834), (69858, 1843461), (104787, 1228974), (129114, 997417), (204829, 628722), (209574, 614487), (314361, 409658)]