2490804966

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{743}}^1\times {\mathrm{42979}}^1$

素因数の和:43740

約数の個数: 32

約数和(自身を含む): 5372156160

約数和(自身を除く): 2881351194

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 743, 1486, 2229, 4458, 9659, 19318, 28977, 42979, 57954, 85958, 128937, 257874, 558727, 1117454, 1676181, 3352362, 31933397, 63866794, 95800191, 191600382, 415134161, 830268322, 1245402483, 2490804966]

約数ペア:

[(1, 2490804966), (2, 1245402483), (3, 830268322), (6, 415134161), (13, 191600382), (26, 95800191), (39, 63866794), (78, 31933397), (743, 3352362), (1486, 1676181), (2229, 1117454), (4458, 558727), (9659, 257874), (19318, 128937), (28977, 85958), (42979, 57954)]