1991512332

素因数分解:

$2^2\times 3^5\times {\mathrm{1153}}^1\times {\mathrm{1777}}^1$

素因数の和:2949

約数の個数: 72

約数和(自身を含む): 5228016976

約数和(自身を除く): 3236504644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972, 1153, 1777, 2306, 3459, 3554, 4612, 5331, 6918, 7108, 10377, 10662, 13836, 15993, 20754, 21324, 31131, 31986, 41508, 47979, 62262, 63972, 93393, 95958, 124524, 143937, 186786, 191916, 280179, 287874, 373572, 431811, 560358, 575748, 863622, 1120716, 1727244, 2048881, 4097762, 6146643, 8195524, 12293286, 18439929, 24586572, 36879858, 55319787, 73759716, 110639574, 165959361, 221279148, 331918722, 497878083, 663837444, 995756166, 1991512332]

約数ペア:

[(1, 1991512332), (2, 995756166), (3, 663837444), (4, 497878083), (6, 331918722), (9, 221279148), (12, 165959361), (18, 110639574), (27, 73759716), (36, 55319787), (54, 36879858), (81, 24586572), (108, 18439929), (162, 12293286), (243, 8195524), (324, 6146643), (486, 4097762), (972, 2048881), (1153, 1727244), (1777, 1120716), (2306, 863622), (3459, 575748), (3554, 560358), (4612, 431811), (5331, 373572), (6918, 287874), (7108, 280179), (10377, 191916), (10662, 186786), (13836, 143937), (15993, 124524), (20754, 95958), (21324, 93393), (31131, 63972), (31986, 62262), (41508, 47979)]