31571388

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{457}}^1$

素因数の和:587

約数の個数: 72

約数和(自身を含む): 85023120

約数和(自身を除く): 53451732

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 101, 114, 171, 202, 228, 303, 342, 404, 457, 606, 684, 909, 914, 1212, 1371, 1818, 1828, 1919, 2742, 3636, 3838, 4113, 5484, 5757, 7676, 8226, 8683, 11514, 16452, 17271, 17366, 23028, 26049, 34542, 34732, 46157, 52098, 69084, 78147, 92314, 104196, 138471, 156294, 184628, 276942, 312588, 415413, 553884, 830826, 876983, 1661652, 1753966, 2630949, 3507932, 5261898, 7892847, 10523796, 15785694, 31571388]

約数ペア:

[(1, 31571388), (2, 15785694), (3, 10523796), (4, 7892847), (6, 5261898), (9, 3507932), (12, 2630949), (18, 1753966), (19, 1661652), (36, 876983), (38, 830826), (57, 553884), (76, 415413), (101, 312588), (114, 276942), (171, 184628), (202, 156294), (228, 138471), (303, 104196), (342, 92314), (404, 78147), (457, 69084), (606, 52098), (684, 46157), (909, 34732), (914, 34542), (1212, 26049), (1371, 23028), (1818, 17366), (1828, 17271), (1919, 16452), (2742, 11514), (3636, 8683), (3838, 8226), (4113, 7676), (5484, 5757)]