161858986

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{69827}}^1$

素因数の和:69909

約数の個数: 16

約数和(自身を含む): 259760160

約数和(自身を除く): 97901174

約数列:

[1, 2, 19, 38, 61, 122, 1159, 2318, 69827, 139654, 1326713, 2653426, 4259447, 8518894, 80929493, 161858986]

約数ペア:

[(1, 161858986), (2, 80929493), (19, 8518894), (38, 4259447), (61, 2653426), (122, 1326713), (1159, 139654), (2318, 69827)]