389933908

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{5077}}^1$

素因数の和:5312

約数の個数: 48

約数和(自身を含む): 844004224

約数和(自身を除く): 454070316

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 211, 364, 422, 844, 1477, 2743, 2954, 5077, 5486, 5908, 10154, 10972, 19201, 20308, 35539, 38402, 66001, 71078, 76804, 132002, 142156, 264004, 462007, 924014, 1071247, 1848028, 2142494, 4284988, 7498729, 13926211, 14997458, 27852422, 29994916, 55704844, 97483477, 194966954, 389933908]

約数ペア:

[(1, 389933908), (2, 194966954), (4, 97483477), (7, 55704844), (13, 29994916), (14, 27852422), (26, 14997458), (28, 13926211), (52, 7498729), (91, 4284988), (182, 2142494), (211, 1848028), (364, 1071247), (422, 924014), (844, 462007), (1477, 264004), (2743, 142156), (2954, 132002), (5077, 76804), (5486, 71078), (5908, 66001), (10154, 38402), (10972, 35539), (19201, 20308)]