13038127921

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{5557}}^1$

素因数の和:5678

約数の個数: 64

約数和(自身を含む): 17927884800

約数和(自身を除く): 4889756879

約数列:

[1, 7, 13, 19, 23, 59, 91, 133, 161, 247, 299, 413, 437, 767, 1121, 1357, 1729, 2093, 3059, 5369, 5557, 5681, 7847, 9499, 14573, 17641, 25783, 38899, 39767, 72241, 102011, 105583, 123487, 127811, 180481, 327863, 335179, 505687, 739081, 894677, 1372579, 1661543, 2295041, 2346253, 2428409, 4262219, 6229397, 7540849, 9608053, 11630801, 16998863, 29835533, 31569317, 43605779, 52785943, 80982161, 98031037, 143276131, 220985219, 566875127, 686217259, 1002932917, 1862589703, 13038127921]

約数ペア:

[(1, 13038127921), (7, 1862589703), (13, 1002932917), (19, 686217259), (23, 566875127), (59, 220985219), (91, 143276131), (133, 98031037), (161, 80982161), (247, 52785943), (299, 43605779), (413, 31569317), (437, 29835533), (767, 16998863), (1121, 11630801), (1357, 9608053), (1729, 7540849), (2093, 6229397), (3059, 4262219), (5369, 2428409), (5557, 2346253), (5681, 2295041), (7847, 1661543), (9499, 1372579), (14573, 894677), (17641, 739081), (25783, 505687), (38899, 335179), (39767, 327863), (72241, 180481), (102011, 127811), (105583, 123487)]