8865142

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:388

約数の個数: 32

約数和(自身を含む): 15805440

約数和(自身を除く): 6940298

約数列:

[1, 2, 11, 13, 22, 26, 139, 143, 223, 278, 286, 446, 1529, 1807, 2453, 2899, 3058, 3614, 4906, 5798, 19877, 30997, 31889, 39754, 61994, 63778, 340967, 402961, 681934, 805922, 4432571, 8865142]

約数ペア:

[(1, 8865142), (2, 4432571), (11, 805922), (13, 681934), (22, 402961), (26, 340967), (139, 63778), (143, 61994), (223, 39754), (278, 31889), (286, 30997), (446, 19877), (1529, 5798), (1807, 4906), (2453, 3614), (2899, 3058)]