31720052

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1$

素因数の和:301

約数の個数: 72

約数和(自身を含む): 71053920

約数和(自身を除く): 39333868

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 59, 91, 98, 118, 182, 196, 211, 236, 364, 413, 422, 637, 767, 826, 844, 1274, 1477, 1534, 1652, 2548, 2743, 2891, 2954, 3068, 5369, 5486, 5782, 5908, 10339, 10738, 10972, 11564, 12449, 19201, 20678, 21476, 24898, 37583, 38402, 41356, 49796, 75166, 76804, 87143, 134407, 150332, 161837, 174286, 268814, 323674, 348572, 537628, 610001, 647348, 1132859, 1220002, 2265718, 2440004, 4531436, 7930013, 15860026, 31720052]

約数ペア:

[(1, 31720052), (2, 15860026), (4, 7930013), (7, 4531436), (13, 2440004), (14, 2265718), (26, 1220002), (28, 1132859), (49, 647348), (52, 610001), (59, 537628), (91, 348572), (98, 323674), (118, 268814), (182, 174286), (196, 161837), (211, 150332), (236, 134407), (364, 87143), (413, 76804), (422, 75166), (637, 49796), (767, 41356), (826, 38402), (844, 37583), (1274, 24898), (1477, 21476), (1534, 20678), (1652, 19201), (2548, 12449), (2743, 11564), (2891, 10972), (2954, 10738), (3068, 10339), (5369, 5908), (5486, 5782)]