138216708

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{643}}^1\times {\mathrm{853}}^1$

素因数の和:1513

約数の個数: 72

約数和(自身を含む): 400382528

約数和(自身を除く): 262165820

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 643, 853, 1286, 1706, 1929, 2559, 2572, 3412, 3858, 4501, 5118, 5787, 5971, 7677, 7716, 9002, 10236, 11574, 11942, 13503, 15354, 17913, 18004, 23148, 23884, 27006, 30708, 35826, 40509, 53739, 54012, 71652, 81018, 107478, 162036, 214956, 548479, 1096958, 1645437, 2193916, 3290874, 3839353, 4936311, 6581748, 7678706, 9872622, 11518059, 15357412, 19745244, 23036118, 34554177, 46072236, 69108354, 138216708]

約数ペア:

[(1, 138216708), (2, 69108354), (3, 46072236), (4, 34554177), (6, 23036118), (7, 19745244), (9, 15357412), (12, 11518059), (14, 9872622), (18, 7678706), (21, 6581748), (28, 4936311), (36, 3839353), (42, 3290874), (63, 2193916), (84, 1645437), (126, 1096958), (252, 548479), (643, 214956), (853, 162036), (1286, 107478), (1706, 81018), (1929, 71652), (2559, 54012), (2572, 53739), (3412, 40509), (3858, 35826), (4501, 30708), (5118, 27006), (5787, 23884), (5971, 23148), (7677, 18004), (7716, 17913), (9002, 15354), (10236, 13503), (11574, 11942)]