405857868

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{36643}}^1$

素因数の和:36734

約数の個数: 48

約数和(自身を含む): 1034240256

約数和(自身を除く): 628382388

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 71, 78, 142, 156, 213, 284, 426, 852, 923, 1846, 2769, 3692, 5538, 11076, 36643, 73286, 109929, 146572, 219858, 439716, 476359, 952718, 1429077, 1905436, 2601653, 2858154, 5203306, 5716308, 7804959, 10406612, 15609918, 31219836, 33821489, 67642978, 101464467, 135285956, 202928934, 405857868]

約数ペア:

[(1, 405857868), (2, 202928934), (3, 135285956), (4, 101464467), (6, 67642978), (12, 33821489), (13, 31219836), (26, 15609918), (39, 10406612), (52, 7804959), (71, 5716308), (78, 5203306), (142, 2858154), (156, 2601653), (213, 1905436), (284, 1429077), (426, 952718), (852, 476359), (923, 439716), (1846, 219858), (2769, 146572), (3692, 109929), (5538, 73286), (11076, 36643)]