86857778

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:243

約数の個数: 64

約数和(自身を含む): 163918080

約数和(自身を除く): 77060302

約数列:

[1, 2, 7, 14, 19, 38, 53, 61, 101, 106, 122, 133, 202, 266, 371, 427, 707, 742, 854, 1007, 1159, 1414, 1919, 2014, 2318, 3233, 3838, 5353, 6161, 6466, 7049, 8113, 10706, 12322, 13433, 14098, 16226, 22631, 26866, 37471, 43127, 45262, 61427, 74942, 86254, 101707, 117059, 122854, 203414, 234118, 326533, 429989, 653066, 711949, 819413, 859978, 1423898, 1638826, 2285731, 4571462, 6204127, 12408254, 43428889, 86857778]

約数ペア:

[(1, 86857778), (2, 43428889), (7, 12408254), (14, 6204127), (19, 4571462), (38, 2285731), (53, 1638826), (61, 1423898), (101, 859978), (106, 819413), (122, 711949), (133, 653066), (202, 429989), (266, 326533), (371, 234118), (427, 203414), (707, 122854), (742, 117059), (854, 101707), (1007, 86254), (1159, 74942), (1414, 61427), (1919, 45262), (2014, 43127), (2318, 37471), (3233, 26866), (3838, 22631), (5353, 16226), (6161, 14098), (6466, 13433), (7049, 12322), (8113, 10706)]