821592972

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{2531}}^1$

素因数の和:2739

約数の個数: 72

約数和(自身を含む): 2123476992

約数和(自身を除く): 1301884020

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 127, 142, 213, 254, 284, 381, 426, 508, 639, 762, 852, 1143, 1278, 1524, 2286, 2531, 2556, 4572, 5062, 7593, 9017, 10124, 15186, 18034, 22779, 27051, 30372, 36068, 45558, 54102, 81153, 91116, 108204, 162306, 179701, 321437, 324612, 359402, 539103, 642874, 718804, 964311, 1078206, 1285748, 1617309, 1928622, 2156412, 2892933, 3234618, 3857244, 5785866, 6469236, 11571732, 22822027, 45644054, 68466081, 91288108, 136932162, 205398243, 273864324, 410796486, 821592972]

約数ペア:

[(1, 821592972), (2, 410796486), (3, 273864324), (4, 205398243), (6, 136932162), (9, 91288108), (12, 68466081), (18, 45644054), (36, 22822027), (71, 11571732), (127, 6469236), (142, 5785866), (213, 3857244), (254, 3234618), (284, 2892933), (381, 2156412), (426, 1928622), (508, 1617309), (639, 1285748), (762, 1078206), (852, 964311), (1143, 718804), (1278, 642874), (1524, 539103), (2286, 359402), (2531, 324612), (2556, 321437), (4572, 179701), (5062, 162306), (7593, 108204), (9017, 91116), (10124, 81153), (15186, 54102), (18034, 45558), (22779, 36068), (27051, 30372)]