209507874

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{1187}}^1\times {\mathrm{1279}}^1$

素因数の和:2494

約数の個数: 32

約数和(自身を含む): 437944320

約数和(自身を除く): 228436446

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 1187, 1279, 2374, 2558, 3561, 3837, 7122, 7674, 27301, 29417, 54602, 58834, 81903, 88251, 163806, 176502, 1518173, 3036346, 4554519, 9109038, 34917979, 69835958, 104753937, 209507874]

約数ペア:

[(1, 209507874), (2, 104753937), (3, 69835958), (6, 34917979), (23, 9109038), (46, 4554519), (69, 3036346), (138, 1518173), (1187, 176502), (1279, 163806), (2374, 88251), (2558, 81903), (3561, 58834), (3837, 54602), (7122, 29417), (7674, 27301)]