51263212

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:132

約数の個数: 144

約数和(自身を含む): 128701440

約数和(自身を除く): 77438228

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 31, 44, 49, 52, 59, 62, 77, 91, 98, 118, 124, 143, 154, 182, 196, 217, 236, 286, 308, 341, 364, 403, 413, 434, 539, 572, 637, 649, 682, 767, 806, 826, 868, 1001, 1078, 1274, 1298, 1364, 1519, 1534, 1612, 1652, 1829, 2002, 2156, 2387, 2548, 2596, 2821, 2891, 3038, 3068, 3658, 4004, 4433, 4543, 4774, 5369, 5642, 5782, 6076, 7007, 7316, 8437, 8866, 9086, 9548, 10738, 11284, 11564, 12803, 14014, 16709, 16874, 17732, 18172, 19747, 20119, 21476, 23777, 25606, 28028, 31031, 31801, 33418, 33748, 37583, 39494, 40238, 47554, 51212, 59059, 62062, 63602, 66836, 75166, 78988, 80476, 89621, 95108, 118118, 124124, 127204, 140833, 150332, 166439, 179242, 217217, 236236, 261547, 281666, 332878, 358484, 413413, 434434, 523094, 563332, 665756, 826826, 868868, 985831, 1046188, 1165073, 1653652, 1830829, 1971662, 2330146, 3661658, 3943324, 4660292, 7323316, 12815803, 25631606, 51263212]

約数ペア:

[(1, 51263212), (2, 25631606), (4, 12815803), (7, 7323316), (11, 4660292), (13, 3943324), (14, 3661658), (22, 2330146), (26, 1971662), (28, 1830829), (31, 1653652), (44, 1165073), (49, 1046188), (52, 985831), (59, 868868), (62, 826826), (77, 665756), (91, 563332), (98, 523094), (118, 434434), (124, 413413), (143, 358484), (154, 332878), (182, 281666), (196, 261547), (217, 236236), (236, 217217), (286, 179242), (308, 166439), (341, 150332), (364, 140833), (403, 127204), (413, 124124), (434, 118118), (539, 95108), (572, 89621), (637, 80476), (649, 78988), (682, 75166), (767, 66836), (806, 63602), (826, 62062), (868, 59059), (1001, 51212), (1078, 47554), (1274, 40238), (1298, 39494), (1364, 37583), (1519, 33748), (1534, 33418), (1612, 31801), (1652, 31031), (1829, 28028), (2002, 25606), (2156, 23777), (2387, 21476), (2548, 20119), (2596, 19747), (2821, 18172), (2891, 17732), (3038, 16874), (3068, 16709), (3658, 14014), (4004, 12803), (4433, 11564), (4543, 11284), (4774, 10738), (5369, 9548), (5642, 9086), (5782, 8866), (6076, 8437), (7007, 7316)]