13420004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:117

約数の個数: 72

約数和(自身を含む): 28882560

約数和(自身を除く): 15462556

約数列:

[1, 2, 4, 13, 17, 19, 26, 34, 38, 47, 52, 68, 76, 94, 188, 221, 247, 289, 323, 442, 494, 578, 611, 646, 799, 884, 893, 988, 1156, 1222, 1292, 1598, 1786, 2444, 3196, 3572, 3757, 4199, 5491, 7514, 8398, 10387, 10982, 11609, 13583, 15028, 15181, 16796, 20774, 21964, 23218, 27166, 30362, 41548, 46436, 54332, 60724, 71383, 142766, 176579, 197353, 258077, 285532, 353158, 394706, 516154, 706316, 789412, 1032308, 3355001, 6710002, 13420004]

約数ペア:

[(1, 13420004), (2, 6710002), (4, 3355001), (13, 1032308), (17, 789412), (19, 706316), (26, 516154), (34, 394706), (38, 353158), (47, 285532), (52, 258077), (68, 197353), (76, 176579), (94, 142766), (188, 71383), (221, 60724), (247, 54332), (289, 46436), (323, 41548), (442, 30362), (494, 27166), (578, 23218), (611, 21964), (646, 20774), (799, 16796), (884, 15181), (893, 15028), (988, 13583), (1156, 11609), (1222, 10982), (1292, 10387), (1598, 8398), (1786, 7514), (2444, 5491), (3196, 4199), (3572, 3757)]