31309356

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{479}}^1$

素因数の和:918

約数の個数: 48

約数和(自身を含む): 79027200

約数和(自身を除く): 47717844

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 419, 479, 838, 958, 1257, 1437, 1676, 1916, 2514, 2874, 5028, 5447, 5748, 6227, 10894, 12454, 16341, 18681, 21788, 24908, 32682, 37362, 65364, 74724, 200701, 401402, 602103, 802804, 1204206, 2408412, 2609113, 5218226, 7827339, 10436452, 15654678, 31309356]

約数ペア:

[(1, 31309356), (2, 15654678), (3, 10436452), (4, 7827339), (6, 5218226), (12, 2609113), (13, 2408412), (26, 1204206), (39, 802804), (52, 602103), (78, 401402), (156, 200701), (419, 74724), (479, 65364), (838, 37362), (958, 32682), (1257, 24908), (1437, 21788), (1676, 18681), (1916, 16341), (2514, 12454), (2874, 10894), (5028, 6227), (5447, 5748)]