12987888

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:222

約数の個数: 80

約数和(自身を含む): 35283456

約数和(自身を除く): 22295568

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 71, 74, 103, 111, 142, 148, 206, 213, 222, 284, 296, 309, 412, 426, 444, 568, 592, 618, 824, 852, 888, 1136, 1236, 1648, 1704, 1776, 2472, 2627, 3408, 3811, 4944, 5254, 7313, 7622, 7881, 10508, 11433, 14626, 15244, 15762, 21016, 21939, 22866, 29252, 30488, 31524, 42032, 43878, 45732, 58504, 60976, 63048, 87756, 91464, 117008, 126096, 175512, 182928, 270581, 351024, 541162, 811743, 1082324, 1623486, 2164648, 3246972, 4329296, 6493944, 12987888]

約数ペア:

[(1, 12987888), (2, 6493944), (3, 4329296), (4, 3246972), (6, 2164648), (8, 1623486), (12, 1082324), (16, 811743), (24, 541162), (37, 351024), (48, 270581), (71, 182928), (74, 175512), (103, 126096), (111, 117008), (142, 91464), (148, 87756), (206, 63048), (213, 60976), (222, 58504), (284, 45732), (296, 43878), (309, 42032), (412, 31524), (426, 30488), (444, 29252), (568, 22866), (592, 21939), (618, 21016), (824, 15762), (852, 15244), (888, 14626), (1136, 11433), (1236, 10508), (1648, 7881), (1704, 7622), (1776, 7313), (2472, 5254), (2627, 4944), (3408, 3811)]