391450874894

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{542175727}}^1$

素因数の和:542175767

約数の個数: 12

約数和(自身を含む): 619706857104

約数和(自身を除く): 228255982210

約数列:

[1, 2, 19, 38, 361, 722, 542175727, 1084351454, 10301338813, 20602677626, 195725437447, 391450874894]

約数ペア:

[(1, 391450874894), (2, 195725437447), (19, 20602677626), (38, 10301338813), (361, 1084351454), (722, 542175727)]