212040868

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{661}}^1$

素因数の和:908

約数の個数: 48

約数和(自身を含む): 415206400

約数和(自身を除く): 203165532

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 199, 398, 403, 661, 796, 806, 1322, 1612, 2587, 2644, 5174, 6169, 8593, 10348, 12338, 17186, 20491, 24676, 34372, 40982, 80197, 81964, 131539, 160394, 263078, 266383, 320788, 526156, 532766, 1065532, 1710007, 3420014, 4077709, 6840028, 8155418, 16310836, 53010217, 106020434, 212040868]

約数ペア:

[(1, 212040868), (2, 106020434), (4, 53010217), (13, 16310836), (26, 8155418), (31, 6840028), (52, 4077709), (62, 3420014), (124, 1710007), (199, 1065532), (398, 532766), (403, 526156), (661, 320788), (796, 266383), (806, 263078), (1322, 160394), (1612, 131539), (2587, 81964), (2644, 80197), (5174, 40982), (6169, 34372), (8593, 24676), (10348, 20491), (12338, 17186)]