161549892

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{643}}^1\times {\mathrm{997}}^1$

素因数の和:1657

約数の個数: 72

約数和(自身を含む): 467894336

約数和(自身を除く): 306344444

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 643, 997, 1286, 1929, 1994, 2572, 2991, 3858, 3988, 4501, 5787, 5982, 6979, 7716, 8973, 9002, 11574, 11964, 13503, 13958, 17946, 18004, 20937, 23148, 27006, 27916, 35892, 40509, 41874, 54012, 62811, 81018, 83748, 125622, 162036, 251244, 641071, 1282142, 1923213, 2564284, 3846426, 4487497, 5769639, 7692852, 8974994, 11539278, 13462491, 17949988, 23078556, 26924982, 40387473, 53849964, 80774946, 161549892]

約数ペア:

[(1, 161549892), (2, 80774946), (3, 53849964), (4, 40387473), (6, 26924982), (7, 23078556), (9, 17949988), (12, 13462491), (14, 11539278), (18, 8974994), (21, 7692852), (28, 5769639), (36, 4487497), (42, 3846426), (63, 2564284), (84, 1923213), (126, 1282142), (252, 641071), (643, 251244), (997, 162036), (1286, 125622), (1929, 83748), (1994, 81018), (2572, 62811), (2991, 54012), (3858, 41874), (3988, 40509), (4501, 35892), (5787, 27916), (5982, 27006), (6979, 23148), (7716, 20937), (8973, 18004), (9002, 17946), (11574, 13958), (11964, 13503)]