221718544

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{206827}}^1$

素因数の和:206902

約数の個数: 20

約数和(自身を含む): 435993424

約数和(自身を除く): 214274880

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 206827, 413654, 827308, 1654616, 3309232, 13857409, 27714818, 55429636, 110859272, 221718544]

約数ペア:

[(1, 221718544), (2, 110859272), (4, 55429636), (8, 27714818), (16, 13857409), (67, 3309232), (134, 1654616), (268, 827308), (536, 413654), (1072, 206827)]