1990214892

素因数分解:

$2^2\times 3^2\times {\mathrm{137}}^1\times {\mathrm{457}}^1\times {\mathrm{883}}^1$

素因数の和:1487

約数の個数: 72

約数和(自身を含む): 5084382576

約数和(自身を除く): 3094167684

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 137, 274, 411, 457, 548, 822, 883, 914, 1233, 1371, 1644, 1766, 1828, 2466, 2649, 2742, 3532, 4113, 4932, 5298, 5484, 7947, 8226, 10596, 15894, 16452, 31788, 62609, 120971, 125218, 187827, 241942, 250436, 362913, 375654, 403531, 483884, 563481, 725826, 751308, 807062, 1088739, 1126962, 1210593, 1451652, 1614124, 2177478, 2253924, 2421186, 3631779, 4354956, 4842372, 7263558, 14527116, 55283747, 110567494, 165851241, 221134988, 331702482, 497553723, 663404964, 995107446, 1990214892]

約数ペア:

[(1, 1990214892), (2, 995107446), (3, 663404964), (4, 497553723), (6, 331702482), (9, 221134988), (12, 165851241), (18, 110567494), (36, 55283747), (137, 14527116), (274, 7263558), (411, 4842372), (457, 4354956), (548, 3631779), (822, 2421186), (883, 2253924), (914, 2177478), (1233, 1614124), (1371, 1451652), (1644, 1210593), (1766, 1126962), (1828, 1088739), (2466, 807062), (2649, 751308), (2742, 725826), (3532, 563481), (4113, 483884), (4932, 403531), (5298, 375654), (5484, 362913), (7947, 250436), (8226, 241942), (10596, 187827), (15894, 125218), (16452, 120971), (31788, 62609)]