2015422578

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{128551}}^1$

素因数の和:128639

約数の個数: 48

約数和(自身を含む): 4772878656

約数和(自身を除く): 2757456078

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 67, 78, 117, 134, 201, 234, 402, 603, 871, 1206, 1742, 2613, 5226, 7839, 15678, 128551, 257102, 385653, 771306, 1156959, 1671163, 2313918, 3342326, 5013489, 8612917, 10026978, 15040467, 17225834, 25838751, 30080934, 51677502, 77516253, 111967921, 155032506, 223935842, 335903763, 671807526, 1007711289, 2015422578]

約数ペア:

[(1, 2015422578), (2, 1007711289), (3, 671807526), (6, 335903763), (9, 223935842), (13, 155032506), (18, 111967921), (26, 77516253), (39, 51677502), (67, 30080934), (78, 25838751), (117, 17225834), (134, 15040467), (201, 10026978), (234, 8612917), (402, 5013489), (603, 3342326), (871, 2313918), (1206, 1671163), (1742, 1156959), (2613, 771306), (5226, 385653), (7839, 257102), (15678, 128551)]