31609084

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:179

約数の個数: 72

約数和(自身を含む): 66407040

約数和(自身を除く): 34797956

約数列:

[1, 2, 4, 13, 19, 23, 26, 38, 46, 52, 76, 92, 107, 169, 214, 247, 299, 338, 428, 437, 494, 598, 676, 874, 988, 1196, 1391, 1748, 2033, 2461, 2782, 3211, 3887, 4066, 4922, 5564, 5681, 6422, 7774, 8132, 9844, 11362, 12844, 15548, 18083, 22724, 26429, 31993, 36166, 46759, 52858, 63986, 72332, 73853, 93518, 105716, 127972, 147706, 187036, 295412, 343577, 415909, 607867, 687154, 831818, 1215734, 1374308, 1663636, 2431468, 7902271, 15804542, 31609084]

約数ペア:

[(1, 31609084), (2, 15804542), (4, 7902271), (13, 2431468), (19, 1663636), (23, 1374308), (26, 1215734), (38, 831818), (46, 687154), (52, 607867), (76, 415909), (92, 343577), (107, 295412), (169, 187036), (214, 147706), (247, 127972), (299, 105716), (338, 93518), (428, 73853), (437, 72332), (494, 63986), (598, 52858), (676, 46759), (874, 36166), (988, 31993), (1196, 26429), (1391, 22724), (1748, 18083), (2033, 15548), (2461, 12844), (2782, 11362), (3211, 9844), (3887, 8132), (4066, 7774), (4922, 6422), (5564, 5681)]