81153852

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:539

約数の個数: 96

約数和(自身を含む): 219469824

約数和(自身を除く): 138315972

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 71, 78, 102, 142, 156, 204, 213, 221, 284, 426, 431, 442, 663, 852, 862, 884, 923, 1207, 1293, 1326, 1724, 1846, 2414, 2586, 2652, 2769, 3621, 3692, 4828, 5172, 5538, 5603, 7242, 7327, 11076, 11206, 14484, 14654, 15691, 16809, 21981, 22412, 29308, 30601, 31382, 33618, 43962, 47073, 61202, 62764, 67236, 87924, 91803, 94146, 95251, 122404, 183606, 188292, 190502, 285753, 367212, 381004, 397813, 520217, 571506, 795626, 1040434, 1143012, 1193439, 1560651, 1591252, 2080868, 2386878, 3121302, 4773756, 6242604, 6762821, 13525642, 20288463, 27051284, 40576926, 81153852]

約数ペア:

[(1, 81153852), (2, 40576926), (3, 27051284), (4, 20288463), (6, 13525642), (12, 6762821), (13, 6242604), (17, 4773756), (26, 3121302), (34, 2386878), (39, 2080868), (51, 1591252), (52, 1560651), (68, 1193439), (71, 1143012), (78, 1040434), (102, 795626), (142, 571506), (156, 520217), (204, 397813), (213, 381004), (221, 367212), (284, 285753), (426, 190502), (431, 188292), (442, 183606), (663, 122404), (852, 95251), (862, 94146), (884, 91803), (923, 87924), (1207, 67236), (1293, 62764), (1326, 61202), (1724, 47073), (1846, 43962), (2414, 33618), (2586, 31382), (2652, 30601), (2769, 29308), (3621, 22412), (3692, 21981), (4828, 16809), (5172, 15691), (5538, 14654), (5603, 14484), (7242, 11206), (7327, 11076)]