215771803

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 257463360

約数和(自身を除く): 41691557

約数列:

[1, 13, 17, 29, 131, 221, 257, 377, 493, 1703, 2227, 3341, 3799, 4369, 6409, 7453, 28951, 33667, 49387, 56797, 64583, 96889, 126701, 437671, 572339, 839579, 976343, 1647113, 7440407, 12692459, 16597831, 215771803]

約数ペア:

[(1, 215771803), (13, 16597831), (17, 12692459), (29, 7440407), (131, 1647113), (221, 976343), (257, 839579), (377, 572339), (493, 437671), (1703, 126701), (2227, 96889), (3341, 64583), (3799, 56797), (4369, 49387), (6409, 33667), (7453, 28951)]