68668684

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1\times {\mathrm{211}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 141039360

約数和(自身を除く): 72370676

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 197, 211, 236, 394, 413, 422, 788, 826, 844, 1379, 1477, 1652, 2758, 2954, 5516, 5908, 11623, 12449, 23246, 24898, 41567, 46492, 49796, 81361, 83134, 87143, 162722, 166268, 174286, 290969, 325444, 348572, 581938, 1163876, 2452453, 4904906, 9809812, 17167171, 34334342, 68668684]

約数ペア:

[(1, 68668684), (2, 34334342), (4, 17167171), (7, 9809812), (14, 4904906), (28, 2452453), (59, 1163876), (118, 581938), (197, 348572), (211, 325444), (236, 290969), (394, 174286), (413, 166268), (422, 162722), (788, 87143), (826, 83134), (844, 81361), (1379, 49796), (1477, 46492), (1652, 41567), (2758, 24898), (2954, 23246), (5516, 12449), (5908, 11623)]