1878694818

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{743}}^1$

素因数の和:1200

約数の個数: 128

約数和(自身を含む): 5063675904

約数和(自身を除く): 3184981086

約数列:

[1, 2, 3, 6, 7, 11, 13, 14, 21, 22, 26, 33, 39, 42, 66, 77, 78, 91, 143, 154, 182, 231, 273, 286, 421, 429, 462, 546, 743, 842, 858, 1001, 1263, 1486, 2002, 2229, 2526, 2947, 3003, 4458, 4631, 5201, 5473, 5894, 6006, 8173, 8841, 9262, 9659, 10402, 10946, 13893, 15603, 16346, 16419, 17682, 19318, 24519, 27786, 28977, 31206, 32417, 32838, 38311, 49038, 57211, 57954, 60203, 64834, 67613, 76622, 97251, 106249, 114422, 114933, 120406, 135226, 171633, 180609, 194502, 202839, 212498, 229866, 312803, 318747, 343266, 361218, 405678, 421421, 625606, 637494, 743743, 842842, 938409, 1264263, 1487486, 1876818, 2189621, 2231229, 2528526, 3440833, 4066439, 4379242, 4462458, 6568863, 6881666, 8132878, 10322499, 12199317, 13137726, 20644998, 24085831, 24398634, 28465073, 44730829, 48171662, 56930146, 72257493, 85395219, 89461658, 134192487, 144514986, 170790438, 268384974, 313115803, 626231606, 939347409, 1878694818]

約数ペア:

[(1, 1878694818), (2, 939347409), (3, 626231606), (6, 313115803), (7, 268384974), (11, 170790438), (13, 144514986), (14, 134192487), (21, 89461658), (22, 85395219), (26, 72257493), (33, 56930146), (39, 48171662), (42, 44730829), (66, 28465073), (77, 24398634), (78, 24085831), (91, 20644998), (143, 13137726), (154, 12199317), (182, 10322499), (231, 8132878), (273, 6881666), (286, 6568863), (421, 4462458), (429, 4379242), (462, 4066439), (546, 3440833), (743, 2528526), (842, 2231229), (858, 2189621), (1001, 1876818), (1263, 1487486), (1486, 1264263), (2002, 938409), (2229, 842842), (2526, 743743), (2947, 637494), (3003, 625606), (4458, 421421), (4631, 405678), (5201, 361218), (5473, 343266), (5894, 318747), (6006, 312803), (8173, 229866), (8841, 212498), (9262, 202839), (9659, 194502), (10402, 180609), (10946, 171633), (13893, 135226), (15603, 120406), (16346, 114933), (16419, 114422), (17682, 106249), (19318, 97251), (24519, 76622), (27786, 67613), (28977, 64834), (31206, 60203), (32417, 57954), (32838, 57211), (38311, 49038)]