78071916

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{137}}^1\times {\mathrm{281}}^1$

素因数の和:451

約数の個数: 72

約数和(自身を含む): 199405584

約数和(自身を除く): 121333668

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 137, 156, 169, 274, 281, 338, 411, 507, 548, 562, 676, 822, 843, 1014, 1124, 1644, 1686, 1781, 2028, 3372, 3562, 3653, 5343, 7124, 7306, 10686, 10959, 14612, 21372, 21918, 23153, 38497, 43836, 46306, 47489, 69459, 76994, 92612, 94978, 115491, 138918, 142467, 153988, 189956, 230982, 277836, 284934, 461964, 500461, 569868, 1000922, 1501383, 2001844, 3002766, 6005532, 6505993, 13011986, 19517979, 26023972, 39035958, 78071916]

約数ペア:

[(1, 78071916), (2, 39035958), (3, 26023972), (4, 19517979), (6, 13011986), (12, 6505993), (13, 6005532), (26, 3002766), (39, 2001844), (52, 1501383), (78, 1000922), (137, 569868), (156, 500461), (169, 461964), (274, 284934), (281, 277836), (338, 230982), (411, 189956), (507, 153988), (548, 142467), (562, 138918), (676, 115491), (822, 94978), (843, 92612), (1014, 76994), (1124, 69459), (1644, 47489), (1686, 46306), (1781, 43836), (2028, 38497), (3372, 23153), (3562, 21918), (3653, 21372), (5343, 14612), (7124, 10959), (7306, 10686)]